Fixed ellipse drawing bug related to radian/degrees mismatch
UnsharpMask function added to svlImageProcessing namespace, so now it's available for standalone use
Built-in image preprocessing feature added to image tracker filter
CISST_HAS_QT changed to CISST_HAS_QT4 in SVL examples
Merge branch 'master' of https://github.com/jhu-cisst/cisst into master-balazs