Add an accessor function to get the camera rotation.

Allows passing yaw and pitchOffsets to mimic JSISteerableCamera.  Component of the target tracking icon feature coming soon in JSISteerableCamera.
Add back in explicit (double) cast for smartass.rol

The value is of type MuMech.EditableDouble, which String.Format doesn't handle (it instead displays "MuMech.EditableDouble").
Add a target tracking icon to JSISteerableCamera.

Tracks current target's position with the TGT+ icon, even with camera pan & zoom.
Merge remote-tracking branch 'upstream/master'
Merge pull request #10 from MOARdV/master

Add a tracking icon to the steerable camera view