Changed frequency of saving checkpoint, performance tweaks
Merge branch 'master' into migration-optimization
style tweaks
Code cleanup
trying band-aid for case with broken history
Changed location hierarchy, added admins to ILS and EWS
Merge branch 'master' into migration-optimization

Conflicts:
	custom/ewsghana/__init__.py
	custom/ewsghana/api.py
	custom/ewsghana/tasks.py
	custom/ewsghana/views.py
	custom/ilsgateway/views.py
	custom/logistics/commtrack.py
	custom/logistics/tasks.py
Merge fix
Fixed tests
Add unique locations graph to admin reports
Add types of locations graph
Refactor sql to json conversion
500 -> better error message if location view breaks
Code tweaks
only save product if necessary
Code refactoring
Removed unused import
Location types bugfix
better exception handling
pep8