Update de.ts

Two chnages
Destroy AL context before closing old device

I refuse to compile this code, so it's not tested.
This should fix the segfault in alcDestroyContext.
Fix not setting tox null after cleanup
also reordered functions for super extra safety
fixing bug #891
Merge branch 'pr893'
Fixed up Emote button and created new images for the Volume and Mic buttons
Merge branch 'pr894'
Update INSTALL.md

Added dependency resolution for Slackware 14.1 users.
add fancier tray icons with status, remove relevant option
Merge branch 'pr899'
Fix include 'Windows.h' -> 'windows.h'

MinGW is case sensitive
Merge branch 'pr878'
Change push to talk shortcut to CTRL+P
Focus the text input area when clicking on the text area
Push to talk with input msgedit focused
Merge branch 'pr857'
Merge branch 'pr884'
Fixed language error.
Added translation.
Added Translation for error message on sending a file. Also included the German Version.