HrscCamera.h: 2011-05-03 Jeannie Walldren - Updated unitTest to test for new...

HrscCamera.h: 2011-05-03 Jeannie Walldren - Updated unitTest to test for new methods. Updated documentation. Removed Mex namespace wrap inside Isis namespace. Added Isis Disclaimer to files. Added NAIF error check to constructor. 

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@2355 41f8697f-d340-4b68-9986-7bafba869bb8