added models for roles
implemented rest controller for roles
refactored users
added navigation point
implemented basic crud for user
added contacts dependency
added user role entity
added basic files for routing
Merge branch 'feature/editing-roles' of git://github.com/massiveart/SuluSecurityBundle into feature/editing-roles
corrected mistakes when running test
Merge branch 'feature/editing-roles' of git://github.com/massiveart/SuluSecurityBundle into feature/editing-roles
Merge branch 'feature/editing-roles' into feature/editing-users

Conflicts:
	Entity/UserRole.php
added roles to rest services
fixed standalone test execution
initialized aura
initialized aurajs structure
added security context
implemented simple form for roles
added correct data to event
removed module from user