Fail the build if the unit tests can't run
updated hockeykit to use plistBuddy to get the proper infos from the generated plist
Merge branch 'feature/fail-build-on-test-exception' of https://github.com/icecrystal23/gradle-xcodePlugin into icecrystal23-feature/fail-build-on-test-exception
changed that the root exception in included in the exception that is thrown when the unit test command failed
Merge branch 'icecrystal23-feature/fail-build-on-test-exception' into develop