Fixed start of chat with right or double click on a friend item (not location) in friend list.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7633 b45a01b8-16f6-495d-af2f-9b41ad6348cc
fixed SIGSEGV when quitting due to deletion of UPnP handler during callback

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7634 b45a01b8-16f6-495d-af2f-9b41ad6348cc