Minor changes, adjusted numleds, size of room.
Loop on acquiring image if the user rejects it
Fixed checkclip() test
Minor change to transformcameras.m
Rewrote transformcameras to use planar solution, better anchors, room size changes
Check for errors in system command
Added TODO note regarding entryline
Retry with new images if corner detection fails
Added position of cameras to debugging image
Put (0,0) at left mid-point of room,added entryline, lposz, ldirz,
Switched to 6 cameras
Log and handle bad correlation results

Sometimes due to numeric fuzz, would attempt to take sqrt of negative
numbers
Log and handle bad correlation results in matlab code
Offset correlation variables to center around 0 to improve numerical precision