Removed umask change to fix directory permissions when checking in data, it...

Removed umask change to fix directory permissions when checking in data, it couldn't handle sticky bit. The issue is documented in the new missions SOP and shouldn't occur often.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@525 41f8697f-d340-4b68-9986-7bafba869bb8