Modified Control::copyToNewProjectRoot so that control networks are treated as...

Modified Control::copyToNewProjectRoot so that control networks are treated as simple binary files during the copying process, instead of being recreated.  Fixes #5212

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/ipce@8295 41f8697f-d340-4b68-9986-7bafba869bb8