0.8.1 bugfix release

We've backported several fixes from the master branch to our 0.8 codebase to be available as 0.8.1 on nuget:

• NumLock being disfuctional on Linux
• Blacklist for llvmpipe software OpenGL rasterizer on Linux (can be disabled in code or by setting AVALONIA_GLX_IGNORE_RENDERER_BLACKLIST environment variable to to 1)
• Horrible jitter issue on Windows when OpenGL/ANGLE acceleration is enabled
• Black screen issue on Windows when OpenGL/ANGLE acceleration is enabled

0.8.0

http://avaloniaui.net/blog/2019-04-05-avalonia-0.8-release

0.7.0

fix release branch detection.

0.6.1 - Beta 1

http://avaloniaui.net/blog/2018-02-18-avalonia-beta1.html

0.5.1 hotfix release

• Fixed binding to Task
• Fixed layout issue with margin #993 #984
• Don't try to use ITopLevelImpl after disposal (it was causing crashes with GTK backend and popups)

0.5.0

Updated version to 0.5.0.