Adds two hooks:

1. Allows Stanford brand bar to go on top of the header
2. Allows Stanford to replace main site logo with its own

Modify the main LMS template to include Stanford-specific theme
headers, footers, and other files instead of the default edX ones.

Feature/vik/oe editor

Updated testing documentation to reflect changes to how requirements are

Removed old icon references and files

randomize_module.py was missing 'import lxml' to support definition_to_x...

installed.

Put numpy into a pre.txt so that everything will actually install.

randomize_module.py was missing 'import lxml' to support definition_to_xml(). Also, fix serialization of show_timezone to expect a bool

fixing video-bg-image and homepage-bg-image urls

Record junit reports of jasmine tests

Fix lettuce tests

first round of color replacements with variables

Feature/cdodge/autoprovision forums master

Fix/cale/amazon ses errors

Use the latest CodeJail, with 0 default for memory limit.

Set the browser size on startup of acceptance tests.

Backbone notifications & font awesome integration

oh thank god this is finally getting merged

The most common error is Amazon SES having blacklisted an email address.
However, we handle any error being raised during user.email_user.

Fixes JIRA LMS-131

Use .get instead of [] to access env hash

Capture the exit code of the Mako template engine invocation on
asset preprocessing and abort from the Rake task on failure. This
will prevent the LMS from continuing its attempt to start up,
preventing further configuration errors.