Move shared/benchmark into tests
Move shared/khanload into khanload
Moving shared/testing to tests
Removing unused croncount script
Adding two missed "testing" import changes.
Moving shared/server to utils
Remove unnecessary dependence on settings.py
move shared/jobs.py to chronograph
code refactor to isolate chronograph from updates app
moving shared/videos into updates
Merge branch 'develop' of github.com:learningequality/ka-lite into eliminate-shared
Moving shared/caching to main/caching
Merge branch 'develop' of github.com:learningequality/ka-lite into eliminate-shared

Conflicts:
	kalite/shared/jobs.py
refactoring shared/serializers to django_utils/serializers; moving default version passing to the securesync engine wrapper
Moving decorators for asserting server type from shared/decorators/misc into tests/asserts
renaming app from tests to testing, as (a) it doesn't contain Django/unittest tests, (b) was hard to read imports clearly, and (c) avoids naming conflicts with real tests
Moving facility-related imports into securesync
Moving shared/decorators/debug.py code into testing/decorators.py
Fixing missed import due to splitting file
Moving shared/topic_tools to main