added a setting to limit window dragability to the titlebar, default off
changed the error playing a role whenever Force Roll in the ascent ap is using PYR or not because switching seemed often worse than sticking to either
shrunk the width of the SASS' surface input fields and also added the Heading Pitch Roll control also have +-0 and an additional one too, also made +/- do a change of 5 instead of 1 when the mod_key is held down when clicking
Merge pull request #492 from BloodyRain2k/Improvements

titlebar dragging and other smaller UI improvements