Merge pull request #32 from ericvincenterv/master

Add name input
Merge pull request #33 from ericvincenterv/master

Add input name and service.
Merge pull request #34 from ericvincenterv/master

Modify services.
Merge pull request #35 from ericvincenterv/master

Add services and declarations.
delete activity from sequence
Merge branch 'master' of github.com:InnovaLangues/ActivityBundle
move Activity update into ActivitySequence
retrieve symfony form errors
Form validation.