contrast module added in preprocessing
started working on QNSF
working qnsf i fink
finished QNSF
finished cleaning
Merge branch 'master' of https://github.com/naiad-auv/naiad-auv-software
Merge branch 'master' of https://github.com/naiad-auv/naiad-auv-software
some cleaning, added Debs gimme2 makefile extravaganza
final cleaning for today,rearranged test image folders. also imshows changed to imwrites
Merge branch 'master' of https://github.com/naiad-auv/naiad-auv-software
added provision to run once instead of endless loop
Merge branch 'master' of https://github.com/naiad-auv/naiad-auv-software
Added imwrite inside show contour.

porting back changes from pandaboard
Merge branch 'master' of https://github.com/naiad-auv/naiad-auv-software
adding calibration code and disparity map code
Merge pull request #19 from debajyoti7/master

cleanup and stuff