2.2-dev

This is the developer build of Adguard browser extension. This build brings some very important changes to Firefox add-on.

Attention: dev build may contain a few bugs.

Firefox:

[Changed] Use frame scripts and message manager instead of PageMod: #138
[Added] Add "useGlobalStylesheet" option in Firefox about:config: #163
[Fixed] Compatibility issue with Random Agent Spoofer add-on: #174

Chromium:

[Fixed] "Block ads on this site" button doesn't work if few windows are opened: #134

Other changes:

[Changed] Refactor "selector" code and make it an independent module which we can use for both AG Assistant, browser extension and our mobile apps #55
[Fixed] Selector lib creates an invalid rule: #133