This Patch fixes the following problems:

async with Russian version

Bugfixes in the Engine:

* Abilities for the elite infantry were disabled (except right after getting a
level). Changed initial state of the ability buttons to "enabled"
* add a tooltip to a random country choice in MP Game Room
* units in encyclopaedia always in best graphics quality
* Added simple validation for emails : "something@somethingelse"
* Pathfindingproblems with vehicles driving up a plateau.
* No prompt by shortcut Alt + F4
* changed the way the hitbars are displayed for the keybuildings in MP
* pathfinding
* using localized name for hotkey's tooltip.
* Fixed crash when can't connect to nival.net
* Added missing tooltips