Modified UserInterface, its unit test, and added new files for the unit test....

Modified UserInterface, its unit test, and added new files for the unit test. Using -h on the command line displays help regardless of errors on the command line. Using -h=parameterName is no longer case sensitive. Fixes #552. Fixes #1735. Modified isismake.objs. Coco coverage tool now works for objects. Fixes #2119.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@5937 41f8697f-d340-4b68-9986-7bafba869bb8