fix up styling by reusing existing CSS class names. Also refactor some code regarding the management of static_tabs so that it's in the course as course contains references to static_tabs in the current data model

Feature/cale/js tests

Fix/cdodge/delete last component does not stick

first pass at static tab editing. Doesn't yet support drag/drop as well as new tab creation, which needs to modify the policy on the course

implement importing of course info sections as modules in the course

Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into feature/cdodge/import-course-info

remove explicit 'null' for child collection on saveName on unit code paths. I had seen cases where save was posting back an empty set on renames - deleting the components. But I can no longer reproduce it now.

add django performance metering

Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into fix/cdodge/delete-last-component-does-not-stick

Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into feature/cdodge/import-course-info

Conflicts:
	lms/djangoapps/courseware/module_render.py

Feature/alex/doc

add doc file about use of mongo (by cms+lms)

merge to master

debug fns from per problem to part of courseware w/ context info passed
as parms. Known issues: ie8 complains that getlog is not defined if you
click on QA and does not show the debug info popup.

Remove openings from job page

Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into feature/cdodge/mongo-perf-instrumenting

bind the disabling/enabling of the unit name input field based on whether the page state is public or not. We shouldn't be able to edit when public.

Use one of our test courses when testing course permissions for the discussion client

Use one of our test courses when testing course permissions for the discussion client, because we now have course policy level overrides.

Fix a bug with pointer-tag detection on load

if a tag has text but no children, wasn't properly detected as an inline definition.

Remove learning designer and producer openings from job page

Fixed install by adding mysql

fixed typo

More inputtype refactor …

Merge branch 'feature/cale/cms-master' of github.com:MITx/mitx into feature/cdodge/mongo-perf-instrumenting

Conflicts:
	requirements.txt