added item for circles. Does not show up yet because of a grou retrieval problem

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7332 b45a01b8-16f6-495d-af2f-9b41ad6348cc
fixed icon size

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7333 b45a01b8-16f6-495d-af2f-9b41ad6348cc
- Added request of complete fill to update broadcast
- Added fill of new messages to GxsChannelPostsWidget instead of a complete refill
- Removed static html text from GxsCannelPostItem.ui

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7334 b45a01b8-16f6-495d-af2f-9b41ad6348cc