0.1.6

0.1.6 adds better support for multi-variant builds. Changes include:

• Output folder has changed from /{app}/src/main/assets/ to /{app}/build/intermediates/assets/{buildType}/{productFlavor}/. This means that a different output file will be generated for each variant.
• Support for dependencies included with {buildType}Compile and {flavor}Compile are added. Builds will no longer fail if attributions.json includes a dependency that is not a dependency for the current variant.