Added display of laser test pattern
Added unwarping of laser image
Check for i/o error when opening transforms.save
Update setnpoints.sh
Modified grid to show 7x7 grid covering 6x6m
Added some debug messages
Skip whitespace when parsing points
Corrected exponential weighting of sepSigma history
Removed extra ;
Use multiple points for drawing outline;  reduced maxx

Allows line to follow laser outline rather than following a straight
line in world space.
Removed unused var
Improved background

Use 5 gaussians, added auto merge/separate
Improved drawing of background
Set range of laser in transform.
Acquire pthread lock before modifying laser transforms

Was causing double free error in opencv
Added test conversions
Increase depth of grid test