Merge remote-tracking branch 'upstream/master'
Merge pull request #148 from Atheros1/master

show 'Connected' notification when going from red to green status also
Avoid an unnecessary query if there are no items in the messaging menu
Merge branch 'master' of github.com:Bitmessage/PyBitmessage
Merge branch 'master' of http://github.com/fuzzgun/PyBitmessage into fuzzgun-master