Update providers.xml

about 70% of russian mailboxes. it works
SK translation - fixes
Sk fixes
Update providers.xml

updated
Updated Japanese translation of the changelog.
Merge pull request #330 from bboa/master

Added Russian mail providers
Add Russian ISPs -> changelog
Another fix
Updated/fixed polish translation.
Polish translation updated - remote search left.
Polish translation - quick fixes.
Updated polish translation - quick fixes, credits update.
Merge pull request #337 from sq5gvm/master

Update polish translation
Merge pull request #332 from pylerSM/patch-1

Fix Slovak translation
Update gradle version as required for Android Studio 0.2.x
Update ActionBarSherlock and PullToRefresh project SDK levels to match Android Studio's settings after import.
Stop using the old Android Market URL
Make sure we always have the ID of a folder when fetching the unread/flagged count
Ignore Atlassian config from IntelliJ
Cache our compat lookups for our message webview - (They're expensive on
older devices - and pointless not to reuse)