now using self._writeProtectOnSaveAs to keep track of whether the user wants to write-protect the file during a save-as action
now using self._writeProtectOnSaveAs to keep track of whether the user wants to write-protect the file during a save-as action

git-svn-id: e4aa3cfa51ba591d1cd1dbbaf7e4a2c2b5d7a7ff@8580 fe389314-cf27-0410-b35b-8c050e845b92

spacetelescope/stsci.tools