Update 0.12.0.md
NumericUpDown: Value Property has not set BindsTwoWayByDefault
Merge pull request #927 from xxMUROxx/hotfix/NumericUpDown-Value-TwoWayBinding

NumericUpDown: Value Property has not set BindsTwoWayByDefault
Fix default builds and platforms
Fix output paths
Goddddd
fix #923
Merge pull request #932 from remcoros/issue-923

fix #923
Merge pull request #929 from MahApps/fix-build-madness

Fix build madness