Feature/vik/oe ui

ErrorDescriptors do not have xml_attributes field

Enable mongodb to be used as back-end for git-based authoring workflow

fix some gaps which would allow the temporary xml attributes 'parent_seq...

Removed space

Fix/cdodge/incorrect html serialization

Zoldak/acceptance sauce

CMS tests should now run on IE

CMS tests will now run on Safari

Rebased wrong

Forgot to update the test_acceptance.sh

Changed way of string splitting

Add supporting failover from Youtube.

Configurations must be defined before hand

Reduced pylint violations

We only support 4 browsers

Version numbers have very different ranges for different browsers so not having a dictionary of those.

Fixed a whitespace issue

Fixed pylint/pep8 violations

Don't need django_url

Spacing issues

Changed how commenting works

Forgot one

Used wrong name

Changed around importing

Remove django_url

Fixed function orderingn

Made logic nicer for getting a new browser

Modifying tests to run in opera

Needed to increase time to account for slow sauce loading

Now safari LMS works

Forgot an assert statement

Skipping a few tests for opera

Forgot an import

Changed the port listing

Changing to better readability

LMS was arbitrarily chosen for now.

Fixed up pylint and pep8 errors

Fixed up pylint and pep8 errors

Changed naming to be better

Changed Sauce Info to obtaining a JSON string

Changed to have a default for device since it isn't always needed

Tags are more clear

Fixed stylistic issues

This logic also covers if a lettuce_browser is specified

Removing browser matrix from readme

Also, now lettuce browser can be specified by jenkins