saving tool button position (patch from Phenom)

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7659 b45a01b8-16f6-495d-af2f-9b41ad6348cc
added systray menu in status bar. Helps people without a systray (Patch form Phenom)

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7660 b45a01b8-16f6-495d-af2f-9b41ad6348cc
updated ubuntu changelog

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7661 b45a01b8-16f6-495d-af2f-9b41ad6348cc