Moved default template file location for AutoRegFactory to ControlPointEdit's...

Moved default template file location for AutoRegFactory to ControlPointEdit's constructor. Should solve issues regarding this file never getting initialized. References #4590.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@7707 41f8697f-d340-4b68-9986-7bafba869bb8