Added tags notion in service container interface
sc interface cleanup
added tags support in the service container
removed old third argument doc for creation by creator
added tags doc for service container
Merge branch 'feature/container-tags' into develop
automatically register services tagged as form type
added documentation to know how to register form types
Merge branch 'feature/formtype-loading' into develop
autoload event subscribers in the mediator
event subscribers doc added
Merge branch 'feature/event-subscriber' into develop
renamed docs index as readme
added new class to access data through object graph
typo
#26 basic structure
#26 typo
#26 typo
#26 missing return statement
#26 UT for alias, definition, parameter and reference