v0.9.5

fix for FF41+

v0.9.4: fix ff36 broken: assigned to const variable

fix for FF36

v0.9.3: work towards proper deletion of menu item & fix of "doorhanger

everywhere" issue

wait for https://developer.mozilla.org/en-US/Add-ons/SDK/High-Level_APIs/windows#Converting_to_DOM_windows
to become stable

v0.5.4

fixed xml syntax error

v0.5.3

import from local repo, stable version