user can't delete his personal workspace
WS registration confirmation is now clikable and point to workspace open action. User doesn't have to back to his ws list anymore to visit it
Some dql optimization.
HomeTab optimization.
Javascript bug fixes + translation update
Bug fixes + Gui Update
Merge pull request #468 from arnaudbey/cant-delete-a-personal-workspace

user can't delete his personal workspace (or he sould have a way to create a new one)
Merge pull request #475 from arnaudbey/visit-workspace-after-subscribe

WS registration confirmation is now clikable and point to workspace open...
Merge pull request #477 from ngodfraind/doctrine-optimization

Doctrine optimization
Merge pull request #478 from solispauwels/master

Javascript bug fixes + translation update
captcha can be disabled
Merge branch 'master' of github.com:claroline/CoreBundle into configurable-captcha
add twig text_extension
simple rights managment update + small GUI fixes
Merge pull request #483 from solispauwels/master

simple rights managment update + small GUI fixes
changing label
Merge pull request #482 from ngodfraind/configurable-captcha

captcha can be disabled
Merge pull request #484 from arnaudbey/add-twig-extension

add twig text_extension
Merge branch 'master' into test-revert-patch

Conflicts:
	Resources/translations/platform.en.yml
	Resources/translations/platform.fr.yml