Czech translation & a handful of fixes

Thanks to user AladinCZ (Filip Konvičný), there is now a Czech translation of Khet! He also sent me enough pouty-face-emoticons to convince me to make the Loading screen translatable also ;) before the text was just right in the background image (no bueno!).

Since it's been a while since the last release , there have a been a handful of other fixes that just got released as well:

• Fixed layout in Russian Rules Dialog (thanks N0v0leg!)
  
• Added Czech translation (thanks AladinCZ!).
  
• Fixed the occasional crash on Mac/Linux that occurred especially when entering the Online Game Menu screen very quickly after starting the program. This was a really gnarly one that we'd worked on a lot in the past, so it was a huge relief to have this one finally taken care of!
  
• Fixed a recently-developed crash when opening the Steam Overlay (eg: for Leaderboard or Achievements) in OSX.
  

This build somehow took me 6 long days of work just to get the release to build on OSX and Linux (it was a rough week - also: big thanks to Flibitijibibo of FNA for the help solving some Mono issues), but we should be able to push releases of our other games with some of these fixes above, as well... and while Khet is the only game with translations at the moment, all of our games are getting closer to being translatable.

I hope you all have a great weekend... or for those with vacation, a great long-weekend!
- @SeanColombo