JC-1510 File upload title changed, html escaping for RSS message.
Merge branches 'master' and 'master.senleft' of https://github.com/jtalks-org/jcommune

Conflicts:
	jcommune-model/src/main/java/org/jtalks/jcommune/model/dao/PrivateMessageDao.java
#JC-1554 phpBB url like /viewforum19-0-50.php is now redirected to the respective branch.
#JC-1504 Removed ForumUtils class. JCommunePageRequest now is only page navigation logic handler. JCommunePageRequest api adjusted to process specified page as string.
Merge branch 'master' of https://github.com/jtalks-org/jcommune