Merge branch 'master' into develop
Fixed bug switching robots...

Fixed bug: If you disable the control panel, switch to a disconnect robot, and
switch back to the original robot, joint signals are re-enabled even though the
control panel is still inactive.
The "move motors" groupbox now correctly disables
Fixed widget enable/disable when switching robots on Mac
Merge branch 'f/fixConnectRobot' into develop
Merge branch 'develop' into release
Bumped version to 2.0.6
Merge branch 'release'