upgrade CocoaPods to 1.5.3 (#180)

Gemfile

@@ -2,5 +2,5 @@ source 'https://rubygems.org'
 
 gem 'xcpretty'
 # xcode8 compat
-gem 'cocoapods', '1.4.0'
+gem 'cocoapods', '1.5.3'
 gem 'jazzy'

Gemfile.lock

@@ -1,20 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (2.3.6)
-    activesupport (4.2.10)
+    CFPropertyList (3.0.0)
+    activesupport (4.2.11)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    atomos (0.1.2)
+    atomos (0.1.3)
     claide (1.0.2)
-    cocoapods (1.4.0)
+    cocoapods (1.5.3)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.4.0)
+      cocoapods-core (= 1.5.3)
       cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.1.3, < 2.0)
+      cocoapods-downloader (>= 1.2.0, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)
@@ -24,26 +24,26 @@ GEM
       escape (~> 0.0.4)
       fourflusher (~> 2.0.1)
       gh_inspector (~> 1.0)
-      molinillo (~> 0.6.4)
+      molinillo (~> 0.6.5)
       nap (~> 1.0)
       ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.4, < 2.0)
-    cocoapods-core (1.4.0)
+      xcodeproj (>= 1.5.7, < 2.0)
+    cocoapods-core (1.5.3)
       activesupport (>= 4.0.2, < 6)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
     cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.1.3)
+    cocoapods-downloader (1.2.2)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
-    cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
+    cocoapods-stats (1.1.0)
+    cocoapods-trunk (1.3.1)
       nap (>= 0.8, < 2.0)
       netrc (~> 0.11)
     cocoapods-try (1.1.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.4)
     escape (0.0.4)
     ffi (1.9.18)
     fourflusher (2.0.1)
@@ -62,9 +62,9 @@ GEM
       xcinvoke (~> 0.3.0)
     liferaft (0.0.6)
     minitest (5.11.3)
-    molinillo (0.6.4)
+    molinillo (0.6.6)
     mustache (0.99.8)
-    nanaimo (0.2.3)
+    nanaimo (0.2.6)
     nap (1.1.0)
     netrc (0.11.0)
     open4 (1.3.4)
@@ -73,7 +73,7 @@ GEM
       ffi (>= 0.5.0, < 2)
     redcarpet (3.4.0)
     rouge (1.11.1)
-    ruby-macho (1.1.0)
+    ruby-macho (1.3.1)
     sass (3.5.3)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -85,22 +85,22 @@ GEM
       thread_safe (~> 0.1)
     xcinvoke (0.3.0)
       liferaft (~> 0.0.6)
-    xcodeproj (1.5.6)
-      CFPropertyList (~> 2.3.3)
-      atomos (~> 0.1.2)
+    xcodeproj (1.8.0)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.3)
+      nanaimo (~> 0.2.6)
     xcpretty (0.2.2)
       rouge (~> 1.8)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  cocoapods (= 1.4.0)
+  cocoapods (= 1.5.3)
   jazzy
   xcpretty
 
 BUNDLED WITH
-   1.16.1
+   1.17.3