[TextEditor] Fixed verbatim string escape highlighting bug.
[Core] Xamarin.Android's Framework Id is "MonoAndroid", not "MonoDroid"

Fixes PCL support for Xamarin.Android projects
[Debugger] When clearing the TreeView, reset the scroll position too.

Fixes bug #11342
[Ide] Fix more TreeView Pads to reset the scroll position when clearing items
[build] Bump md-addins
Bump md-addins
Updated nrefactory.
Updated nrefactory.
[CSharpBinding] Implemented support for global refactorings.
Fixed 'Bug 11601 - Formatting document moves "{" into the #endif line'.
Bump md-addins and xwt
Fixed 'Bug 11603 - Event completion includes entries which are invalid'.
Bump xwt and md-addins again
Merge remote-tracking branch 'origin/master' into splash2

Conflicts:
	main/external/xwt
	version-checks
Bump md-addins and xwt
[Debugger] Propagate column info in a few places
[Mac] Use Cocoa for main menu, for great justice!
[Mac] There can only be one (services menu)

Fixes crash when enabling/disabling/adding/removing addins.
[Mac] Re-use root menu else MacOS messes up badly
added invalid-red palette to Solarized Dark and Light color schemes