Hotfix 0.8.1.1

Changelog:

• Fixed bug: achievement for killing the Echo squad was not being awarded

• Fixed bug: progress was not advancing for certain types of daily quests

• Fixed most situations leading to a black screen on connection

• Improved backend and game client stability, which should potentially improve the timeout error issue

• Fixed the retry button for failed connection requests when logging into the game

• Fixed bug: sprint remained active after opening the Steam overlay via the Shift+Tab key combination

• Fixed bug: equipping gear resulted in different equipment appearing for different players

• Reduced the number of common items required to complete "Sell items" type daily quests

• Fixed bug: the shutter animation played twice on the client during connection