AnalyticsTree: fix class name detector.

- Move tag creator to same level for every log call.
Log url and status code for RetrofitError.
Fix trakt add fragments possibly not showing posters.

- trakt uses URL parameters to version posters, we replaced size spec
only based on position (last few chars) which breaks the URL in these
cases.
Latest translations.

- Exported 2014-02-19.
Make Picasso respect 'Images over Wi-Fi only' setting.

- Create custom downloader (always OkHttp) that checks
Utils.isAllowedLargeDataConnection(), restricts to local cache if that
is the case.
Push version to 12-beta8, 228.
Change log for 12-beta8.
Merge branch 'beta' into dev