Allows to register individually users from group into workspace
Adds missing spanish translations
Merge pull request #931 from kitan1982/workspace-registration-via-group

Register individually users from group to workspace
Merge pull request #932 from solispauwels/master

Unpublish resource node in grayscale
Separate personal workspaces from non-personal workspaces in workspaces list
Merge branch 'master' of https://github.com/claroline/CoreBundle into separate-personal-workspace
Separates personal workspaces from others in admin workspace registration
Separates personal workspaces from others in admin workspaces management
Fixes bug in group edition form
Merge pull request #933 from kitan1982/separate-personal-workspace

Separates personal workspaces from others
Merge pull request #934 from kitan1982/bugfix

Fixes bug in group edition form
Removes limit on file hash name length
Puts files in sub-directories in files folder
Changes workspace when a resource is moved in another workspace
Merge pull request #935 from kitan1982/files-sub-directories

!!! NEW MIGRATIONS !!! Files sub directories
Merge remote-tracking branch 'upstream/master'