Merge master to feature/stabilization
es-ES injection on 20140708-004953
FORUM-606 | Fix problem of NullPointerException when stop server
FORUM-926 | [Answer] update author after editing a comment
FORUM-175 | Remove ForumPollPortlet
FORUM-175 | Remove ForumIconStatePortlet
FORUM-175 | Remove ForumModeratePortlet
FORUM-175 | Remove ForumQuickReplyPortlet
FORUM-175 | Remove ForumRulePortlet
FORUM-175 | Remove ForumStatisticPortlet
Merge feature/stabilization to master