In Orthographic, removed code for the special case, clat = 0, in the...

In Orthographic, removed code for the special case, clat = 0, in the constructor to give the correct longitude range. Added a range check in SetCoordinate() to make sure that the current longitude is in the correct domain. Updated the unit test as well as the app test for map2map. Fixes #1471.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@5481 41f8697f-d340-4b68-9986-7bafba869bb8