Improvements

This release includes bugfixes and improvements - yes, really:

* Show summary of configuration files when they're loaded
* Set FORK_XCODE_WRITING env variable to work around xcodeproj chdir bug (#6613)
* Update internal dependencies (#6599)
* Provide a test for badge action ImageMagick verification (#6605)
* Update rubocop and update styling rules (#6573)
* Add ShareTheMeal plugin to donate food on each fastlane release (#6571)
* Add check for ImageMagick before running the badge action (#6568)
* add aws_device_farm to plugin list (#6566)
* add SharetheMeal Plugin (#6563)
* Update Google Play instructions (#6545)
* Update description of crashlytics api key (#6535)
* Make API token more clear for set_github_release action (#6532)
* Update description of crashlytics api key (#6534)
* Update docs only after the complete release is done (#6494)
* Addressed feedback from @mfurtak (#6512)
* Skip updating docs when environment variables are missing (#6508)
* Update xcpretty dependency (#6510)

![Screenshot](https://cloud.githubusercontent.com/assets/869950/19460877/beb1a52e-9494-11e6-8d3d-95b419313593.png)

https://github.com/fastlane/fastlane/releases/tag/1.105.3
