Merge pull request #4 from wluu/master

Updated ui.js and left a comment in geo.js
Added variables for active waypoint. Set the bearing in use from a test value to activeBearing
Commented out some error text objects that I haven't declared. Added comments, changed heading to compHeading to avoid confusion between heading variables.
Added tableview listener to set the active waypoint. Added another view to current view to format the additional gpsHeading label I made.