- Added copy link to GxsFeedItem (GxsChannelPostItem)
- Fixed copy link of GxsGroupFrameDialog
  - utf8 issue
  - removed unread message count from group name

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7476 b45a01b8-16f6-495d-af2f-9b41ad6348cc