plugged in the local Chan-Vese inspired vessel wall tracker -- first pass
more work on integrating vessel wall tracking into UI
added button to linescan's timeview
added axes and buttons to vessel diameter measurement in cross-sections
Improved interaction for vessel tracing, plugged it in into LineScan interface
improvement of linesclice operation: intermediate commit
now can show markers in export_movie_anim
better user-dragging of linescane endpoints and centerpoint, ROI tag is now
rotated to match the line slope
fixed problem with upsample/refine handing in VesselContours
incremeted version number