Don't force modulestore initialization when running lms manage.py, only when running via the wsgi file
Cache databases to speed up acceptance tests
Fix speed persistence per video.
Updated internal documentation on MongoDB.

Provided several suggestions what to do if MongoDB
daemon doesn't start.
add condition - log speed change / loading video
make SplitMigrator take a User object, rather than a user ID
first pass on a migrate_to_split Django command
Add some dummy arg parsing tests
happy path unit test
Can't use UserFactory in CMS tests :(
fix test failures: clear loc_mapper cache
move user-finding logic out of command
Added command to delete split-mongo course
Don't cache falsy values
fix pep8/pylint issues
check for old mongo course
fix docstrings
Add test for specifying locator to migrate_to_split command
Add optional feature to lock out accounts after N failed login attempts. Lockouts will last M seconds.

add DB migration and fix earlier mistakes in student migration history

add tests and fix bugs that came out of those unit tests

remove unused import

pep8/pylint

address some PR feedback

fix tests

fix broken test

try to mock time

use freeze-gun to overload the system time to simulate the future
rename locator_string to package_id