Android linear gradient brush, in progress.
Merge remote-tracking branch 'picoe/develop' into dev2
Add null check before accessing Layer
Merge remote-tracking branch 'origin/dev2' into dev2
Android graphics handler, in progress.
Android graphics handler, in progress.
Merge remote-tracking branch 'picoe/develop' into dev2
Merge remote-tracking branch 'picoe/develop' into dev2

Conflicts:
	Source/Eto.Platform.Android/Drawing/GraphicsHandler.cs
Android code merge fix.
Eto build fixes for Direct2D.
Eto Build fixes - disambiguate System.Environment.
Merge remote-tracking branch 'picoe/develop' into dev2
Merge remote-tracking branch 'origin/dev2' into dev2

Conflicts:
	Source/Eto.Platform.Mac/Forms/MacView.cs
Splitter test cases, in progress.
Splitter test cases, in progress.
Splitter test cases, in progress.
Splitter test cases, in progress.
Disambiguate System.Environment.
Merge remote-tracking branch 'picoe/develop' into dev2
Merge remote-tracking branch 'picoe/develop' into dev2