STYLE: Reformatted syntax for clarity
Refactored calibration functions into seperate file, cleaning up code in dmouse.cxx
Added images from sourceforge downloads
ENH: updated images paths
ENH: Added GPL license file
Merge pull request #1 from dmwelch/license

ENH: Added GPL license file
Added the FindOpenCV.cmake file from http://opencv.willowgarage.com/wiki/FindOpenCV.cmake