Updated kappa/tester package version
Added php config for tests
Updated tests bootstrap.php
Refactored gitignore
Removed ICalendarFactory
Refactored CalendarFactory: now create array with days definition
Added calendar entity instead of CalendarFactory
Removed clone
Used modify
Renamed template path and file
Refactored default template
Refactored CalendarControl
Removed useless exceptions
Removed useless helper
Removed useless tests
Added container getter for tests
Added config for tests
Added calendar control factory
Added extension
Added template setter