Fix broken tests by simplifying the CourseFactory

The data argument was being treated specially, but that was just
because we didn't have **kwargs support.  Now we do.  There are
two uses of data=, one we convert to kwargs, the other was actually
unused, so remove it completely.

Pylintrc changes to improve things, including removing the reports.

Fix LMS-530: Reflected XSS in chapter and page numbers

Pylint errors

Made a css_html to obtain the html of the css element.

add a 'can_execute_unsafe_code' callback method (ala LMS) to allow for w...

remove redundent test until we get clarity as to if unit tests are actually using the codejail functionality or not

add a 'can_execute_unsafe_code' callback method (ala LMS) to allow for whitelisting of courses with respect to codejailing

This reverts commit d383a8ad.

No one reads the pylint reports, we just want the messages.
setUp and tearDown don't need docstrings.
More ways to mark arguments as unused.

More tweaks

This works like css_click in that it will retry if there was a stale element reference exception

Round 2 Accessibility Changes

Jonahstanley/fix component test

Got rid of announcement test

Removed assumption about uniqueness of css steps

Studio - Help Links Addition and Small UI Revisions to Main Navigation

Studio - truncates longer course settings sharing urls

Renzo/segment io refactor