Reworking Backend completed
Reworking frontend completed
Fixed Schedule Relation
Rework complete
Rework complete
Tabed and ajaxed events page
Merge remote-tracking branch 'origin/Rework' into Rework

Conflicts:
	src/HV/RosiBundle/Resources/public/js/rosi.js
	src/HV/RosiBundle/Resources/public/less/layout.less
	src/HV/RosiBundle/Resources/views/Event/edit.html.twig
Added simple caching
Fixed missing events completition color
Fixed error on saving event
Fixed errors on saving roles
Fixed bug on creating new event with intersecting events
Merge branch 'Rework'

Conflicts:
	composer.lock
	src/HV/RosiBundle/Resources/public/js/rosi.js
	src/HV/RosiBundle/Resources/views/Layout/layout.html.twig
Historical events now are edited with historical form, if called from event details.
Merged changes from symfony2 standart.