Introduction of the Microsite feature which allows for limited multi-tenant branding on a subdomain basis, e.g. foo.edx.org and bar.edx.org

fix errorenous logic when running a microsite that could reside in a hosting environment with a marketing site in front of it

pep8/pylint fixes

address PR feedback, remove underscore from test hostname

more pep8/pylint cleanup. Skip test_microsites test, it works on localdev, not on Jenkins. Need to talk with QA team

manually add Ned's single-to-double quote fix

change aws.py runtimes so that the microsite_dir that is read from configuration is changed to a python path

Conflicts:
	lms/templates/help_modal.html
Merge pull request #2180 from edx/usman/openended_post_hostname_argument

Added hostname argument to openended_post command.
Change default start date for About pages

So that About pages will display in the LMS if the user is not logged in
Add dummy start dates to static_tab and course_info xmodules
Update video
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