Remove unused pages
Admin group menu

- Join/leave group
- Fix autocomplete users to add
Merge branch 'master' of github.com:ippontech/tatami

* 'master' of github.com:ippontech/tatami:
  desactivated most of WRO4J, as it was causing bugs
  upgraded pom to 2.0.0 alpha 1
  added missing properties to the preprod and prod profiles
  added Cassandra upgrade script
  corrected #281
  corrected text on the tags admin page
  reconfigured Spring MVC REST for using dots in the URLs
  only suggest public groups for the moment
  only suggest public groups for the moment
  removed unused message keys
delete attachments
Fix search bar
Merge pull request #284 from alexo/master

Use googleClosure for js minimization instead of jsMin
Merge pull request #285 from hellsingblack/master

Delete attachments
Merge branch 'master' of github.com:ippontech/tatami

* 'master' of github.com:ippontech/tatami:
  delete attachments
  use ConfigurableWroManagerFactory & googleClosure processor instead of jsMin to avoid script break after minimization

Conflicts:
	src/main/webapp/WEB-INF/pages/includes/templates-admin.jsp
Read message properties in UTF-8 in eclipse
Merge pull request #296 from ptemplier/master

Read message properties in UTF-8 in eclipse
Show @username when mouse is over the profile picture or id
Fixed #298
Merge branch 'master' of github.com:ippontech/tatami

* 'master' of github.com:ippontech/tatami:
  Read message properties in UTF-8 in eclipse
Merge branch 'master' of github.com:ippontech/tatami into merge

* 'master' of github.com:ippontech/tatami:
  Fixed #298

Conflicts:
	src/main/webapp/WEB-INF/pages/profile.jsp
Fix LDAP
Fixed #288
Fixed #283
Update src/main/webapp/css/tatami.css
Merge pull request #302 from ptemplier/patch-2

Update src/main/webapp/css/tatami.css
Fixed #300