2.1.2 RC

Adguard extension v2.1 release candidate. If everything is ok with this build, it will be the next release.

Firefox

[Changed] Avoid blocking UI thread while initializing filter rules: #131
[Fixed] Sometimes preferences are not saved in Firefox for Android: #105

Safari

[Fixed] Ads are not blocked in Safari when the browser is just started: #124
[Fixed] Rules with $~third-party modifiers are converted incorrectly: #120
[Fixed] Third-party rules do not block 4-th level subdomains: #116

Minor issues

[Added] Add "Allow useful ads" item to the "thank you" page: #113
[Changed] Update copyrights to 2016 everywhere: #125
[Fixed] User filter should be loaded first (before other filters): #117
[Fixed] Invalid rule is constructed by "Block ad on this website" feature:
#122