added basic Hook class
added checking enable status for clean and build modules, set enabled to true by default
added FAQ doc
added Hooks
push bumped version to git only after success build
Merge branch 'develop'
updated FAQ
test
added build configuration check for existence before build, to prevent false debug build
removed test file
Merge branch 'develop'
switched ios build module to xctool from xcodebuild
switched tests module to xctool
Merge branch 'develop'

Conflicts:
	modules/tests_module.rb
- updated tests module config docs
- updated config example
enabled jUnit report generation in tests module
updated FAQ
added CPD (copy-paste detector) setup manual
fixed errors logging out of modules
testflight module