Migrate media data off S3.
Handle spaces in image file names.
Add loop for content patches.
Create media objects and saved vis's. Delete media objs.
Handle null thumb id.
Properly generate thumbnail MOs for Vis.
Make tests pass.
Merge branch 'master' of https://github.com/isenseDev/rSENSE into kill-amazon-phase-1

Conflicts:
	app/controllers/application_controller.rb
	app/views/layouts/application.html.erb
Finish merge.
Add file upload and save vis tests.
Reword diagnostic message to be politically correct.
Merge pull request #973 from NatTuck/kill-amazon-phase-1

Kill amazon phase 1