fixed paths
Opera requires detailed description
this fixes #418; also remove last chrome API reference from portable code
this fixes #417
jshint
this fixes #420
code review for #420: mind that the rule can apply everywhere
translation work from Crowdin
this fixes #423
#423: code review
#423: code review (oops)
translation work from Crowdin
Initial Firefox port (base, messaging, locales)
Firefox: implement content scripts
Firefox: implement vAPI.storage via SQLite
Firefox: partial vAPI.tabs implementation
Firefox: add basic blocking + some fixes
Firefox: blocking and content scripts for e10s
Firefox: implement toolbar button and popup
Firefox: fix styling for toolbar button