Creating tag for v2.1.0.

Creating version 2.0.2.

Creating tag v2.0.0

Increased RapidAssist required version to 0.5.0.

Increased win32Arduino required version to 2.3.1.

Enabled appveyor.yml to automatically create release 1.2.0

Enabled appveyor.yml to automatically create release 1.2.0