ui: Add a floating-window window-contol for opening floating windows in a tiling window manager on gtk. Use this style on the help browser, inspector, and deploy windows. Please report any other windows that need this flag since I don't regularly use a tiling window manager. Tested on Ubuntu 14.04 64bit with i3 window manager. Fixes #1026.
ui: Missed an entry in the top list that is in the bottom list.