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
Much like the work done on the default (unauthenticated) index view,
adjust the background image (actually, let the CSS handle it instead
of an embedded `style` attribute in the HTML). Other adjustments
(language, logo) are made for Stanford specifically and need to be
reworked for general theming.
