diff --git a/backend/package-lock.json b/backend/package-lock.json
index 573e54e..7b97dfb 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -229,7 +229,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
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@@ -607,13 +607,15 @@
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           "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-          "dev": true
+          "dev": true,
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           "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
           "dev": true,
+          "optional": true,
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@@ -677,7 +679,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -701,7 +703,7 @@
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-      "resolved": "http://registry.npmjs.org/babel-core/-/babel-core-6.18.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.18.0.tgz",
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@@ -1585,7 +1587,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
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@@ -1894,7 +1896,7 @@
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-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-0.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-0.4.0.tgz",
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@@ -2080,7 +2082,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -2107,7 +2109,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-4.16.3.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.3.tgz",
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@@ -2489,7 +2491,7 @@
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-      "resolved": "http://registry.npmjs.org/debug/-/debug-2.4.5.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.4.5.tgz",
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@@ -2744,7 +2746,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
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@@ -2869,7 +2871,7 @@
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-      "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
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@@ -2980,7 +2982,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -3204,7 +3206,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -3716,7 +3718,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-4.11.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.11.2.tgz",
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@@ -4002,7 +4004,7 @@
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-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.1.0.tgz",
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@@ -4210,7 +4212,8 @@
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+          "bundled": true,
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@@ -4228,11 +4231,13 @@
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+          "bundled": true,
+          "optional": true
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           "bundled": true,
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@@ -4245,15 +4250,18 @@
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+          "bundled": true,
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-          "bundled": true
+          "bundled": true,
+          "optional": true
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+          "bundled": true,
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@@ -4356,7 +4364,8 @@
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         "inherits": {
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+          "bundled": true,
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@@ -4366,6 +4375,7 @@
         "is-fullwidth-code-point": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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           }
@@ -4378,17 +4388,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
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@@ -4405,6 +4418,7 @@
         "mkdirp": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4477,7 +4491,8 @@
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@@ -4487,6 +4502,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
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@@ -4562,7 +4578,8 @@
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+          "bundled": true,
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@@ -4592,6 +4609,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
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@@ -4609,6 +4627,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4647,11 +4666,13 @@
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         "wrappy": {
           "version": "1.0.2",
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+          "bundled": true,
+          "optional": true
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           "version": "3.0.2",
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+          "bundled": true,
+          "optional": true
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@@ -4840,7 +4861,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
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@@ -4975,7 +4996,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
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@@ -5065,7 +5086,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -5216,7 +5237,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -5305,7 +5326,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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@@ -5541,7 +5562,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -5662,7 +5683,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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-      "resolved": "http://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
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-          "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
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@@ -7040,7 +7061,7 @@
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-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
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@@ -8147,7 +8168,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
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@@ -9180,7 +9201,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -9458,13 +9479,10 @@
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-      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "dev": true,
-      "requires": {
-        "debug": "^2.2.0"
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+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
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@@ -9769,7 +9787,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
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