updated metadata.json: v6/v2.1_gnome3.4
FIX #7: sort windows properly by stacking, and fixed typo to get 'any window maximized' working.
Removed an extra log()
added 3.6 support (3.4 version works)
Added option ANY_WINDOW_FOCUSED to 3.4/3.6 branch, fix biox/Gnome-Shell-Window-Buttons-Extension#18
Ported some code cleanup from 3.2-dev to 3.4 (wow my merge tree is sucha mess)
possible fix for #8
need to destroy the window box on disable. Fixes #8.
bump to 2.2.1 re #8 fix
Merge branch 'gnome3.4'

Conflicts:
	window_buttons@biox.github.com/extension.js
	window_buttons@biox.github.com/metadata.json
	window_buttons@biox.github.com/schemas/gschemas.compiled
	window_buttons@biox.github.com/schemas/org.gnome.shell.extensions.window-buttons.gschema.xml