Hotfix 0.58.0.4765

[p]Fixed Pyrotechnics Expert Achievement not triggering sometimes[/p]
[p]Fixed bug that the last steam achievement update would happen too late and the client missed it[/p]
[p]Added hint why game modes may be temporarily disabled[/p]
[p]Microphone Tester in Settings (with amplitude and echo)[/p]
[p]Fixed wrong descriptions in settings[/p]
[p]Fixed crash related to using Team and/or Party Voice Chat[/p]
[p]Fixed crash that happened when connecting to multiple servers shortly after each other[/p]
[p]Fixed crash when opening the Settings too early when to local player is not initialized[/p]
[p]Added Auto Gain on Proximity Voice [/p]
[p]Small general performance updates[/p]