Update uk.coffee

ukrainian localization
Implement simulators leaderboard
updated Dutch locale + README
Updated some Bus schemas.
added line breaks
completed bus schemas
added some app schemas + missing schema stub
Update hu.coffee
Quick fix for crashing server

Undo when investigating which schema does this
A bit of error handling.
Merge branch 'SimulatorsLeaderboard2' of git://github.com/dpen2000/codecombat into dpen2000-SimulatorsLeaderboard2
A few fixes and cleanup for #831.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed footer background color on LevelView.
Fixed #310 by tweaking the styling to emphasize stroke over fill.
Additional fix on #831 - remove additional call to fetch as constructor of SimulatorsLeaderboardData does fetch, remove commented code
Merge pull request #837 from dpen2000/FixesTo831

Additional fix on #831
Translate some items under 'common','versions'  and 'editor'.
Merge pull request #840 from julycoolwind/patch-2

Translate some items under 'common','versions'  and 'editor'.
Propagated new i18n tags.