Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into deprecated
Merge branch 'deprecated' of github.com:dnk/mate-panel into deprecated
Merge pull request #170 from dnk/memory_leak

memory leaks
transient_parent_xid is not used

transient_parent_xid is not used but can cause problem: applet widget have not window until realized
Merge branch 'master' of github.com:dnk/mate-panel
Merge branch 'transient_parent_xid'
Merge branch 'master' into deprecated
gtk3: rgba colors
Merge branch 'deprecated' of github.com:dnk/mate-panel into deprecated