* fix bundler-gate build error

* fix bundler-gate build error

* add shell script input/output paths (igor-makarov#195)

* bump version

* Disable Xcodeproj diffing in integration tests as it doesn't work (igor-makarov#199)

This PR fixes nightly builds failing on Xcodeproj egde version, as it changes some base constants to new version.

As I can't actually account for that, I had to disable Xcodeproj diffing.

* Travis grooming (igor-makarov#200)

* don't build on ruby 2.0.0 + add linux

* disable xcodebuild integration test on Linux

* add LINT task

* pin rubocop version

* Add `before_save` hook (igor-makarov#201)

* add `before_save` hook

* add test for `before_hook`

* bump version to 0.9.2

* bump rake dependency to silence security warning (igor-makarov#202)

* fix inherit configuration logic (igor-makarov#212)

* bump version to 0.9.3

* Update documentation on build phases (igor-makarov#209)

* Update documentation on build phases

* Improve description and example code per review

Co-authored-by: Igor Makarov <igormaka@gmail.com>
Co-authored-by: Patrick <patrickuijpers@gmail.com>