Change user activation complete URL to avoid conflicts

Because a separate django app is overriding 'accounts/activate/w+'
'accounts/activate/complete' was never being hit.

Fixes #1133
Run create_instance with transaction.commit_on_success

Fixes #1413
Use username instead of user id for create_instance user option
Merge pull request #1414 from maurizi/fix-create-instance-issues

Fix create instance issues
Fix broken unit test
Merge pull request #1412 from maurizi/fix-account-activation

Change user activation complete URL to avoid conflicts
Add in Bootstrap 3.0 source (without Glyphicons, for now)
Start making the switch to Bootstrap 3.0, find-replace all changed classes/tags
Rework major pages for bootstrap 3
Fixed search bar classes
Minor styling improvements
Bootstrap bugs/revisions from Deb
Styling edits to admin pages, subheader
Merge pull request #1417 from mtedeschi/topic/bootstrap-3.0

Migrate to Bootstrap 3.1.1
Add modal dialog for viewing photos.

Needs styling work.  In particular, there are z-index issues causing the modal
to appear under the grayed out background, and the close button does not align
on the popup.
Add endpoint for map feature photo rotation.
Add JS code for rotating images.
Style lightbox for photo carousel
Rework JS and CSS to work with Bootstrap 3
Merge pull request #1407 from maurizi/rotate-images-endpoint

UI for rotating images