Revert "Merge branch 'dev/dj-multi-image-upload'"

This reverts commit 5bfc1f83a9aaf22716d0e64756d2b1d0ae5ade31, reversing
changes made to c6c714dd6d66026a569667728a539a769e137fee.
Clean whitespace
Stack creation requires only edit permission on a session
A view's "User" field should be a user's id, not full_name
Merge branch 'stack-creator'

* stack-creator:
  A view's "User" field should be a user's id, not full_name
  Stack creation requires only edit permission on a session
  Clean whitespace
  The simple stack creation works.
  Fixed preloading withstacks with many small changes.  A start on the stack creator.  Problem with cooridnate system of thumb needs to be resolved.