Colorpicker:  create keybinding to launch colour picker with out existing hex colour
http://bugs.activestate.com/show_bug.cgi?id=99413
r=marky
sr=toddw

(integrated from komodo (trunk) change 82178 by ericp)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13697 b87d16e7-d29f-4ee1-b5ec-817d645d335f