removed unused comparison operators

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7650 b45a01b8-16f6-495d-af2f-9b41ad6348cc
removed unnecessary string to string conversion

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7651 b45a01b8-16f6-495d-af2f-9b41ad6348cc
added very basic display of outqueue statistics in BwCtrlWindow. Removed unnecessary list::size() calls in pqistreamer

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7652 b45a01b8-16f6-495d-af2f-9b41ad6348cc