Updated MacOSX make config file as required for development environment...

Updated MacOSX make config file as required for development environment upgrade; updated to database system dependent unit tests as a result as well.  References #1640

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@5157 41f8697f-d340-4b68-9986-7bafba869bb8