Remove "backup" directory from glviewer

This was all non-functional code.
Merge branch 'glviewer-backup'

* glviewer-backup:
  Remove "backup" directory from glviewer
Documenting command line wrapper for uploading images
Separating the uploader based on the input file extension
Getting metadata through wrapper around image_uploader binary
Refactor into class hierarchy
Getting image_uploader_wrapper metadata with hierarchy of uploaders and readers
Adding safety bounce for code in progress
Minor cleanup for consistency
Uploading the base using image_uploader
Ready for uploading using image_uploader wrapper
Merge branch 'dev/dj-image-uploader-wrapper'

* dev/dj-image-uploader-wrapper:
  Ready for uploading using image_uploader wrapper
  Uploading the base using image_uploader
  Minor cleanup for consistency
  Adding safety bounce for code in progress
  Getting image_uploader_wrapper metadata with hierarchy of uploaders and readers
  Refactor into class hierarchy
  Getting metadata through wrapper around image_uploader binary
  Separating the uploader based on the input file extension
  Documenting command line wrapper for uploading images
Require session 'edit' permission to edit a view
Merge branch 'edit-session-permission'

* edit-session-permission:
  Require session 'edit' permission to edit a view