Refactored m4change datespan filter, and made it default in commcarehq.
Updated possible selections and date ranges.
Allow reminders to start on a specific day of the week
Merge branch 'master' into reminder-day-of-week
Add ability to delete products
Switch to deleting
Cleanup delete UI
Reorganize how reminder day choices are displayed
Merge branch 'admin-reports' into number-of-products
Restrict allowable time options based on start date choice
Add timestamps to SQLProduct
Move product timestamps from couch to sql
Add number of product graph
PEP8, commenting, renaming, DRYing
Change default to uncategorized and prevent edits
Make soldevelo's method name more conventional
Add management command to migrate programs
Update ui to allow choosing day of week on which to send reminder
Merge remote-tracking branch 'origin/master' into archive-programs

Conflicts:
	corehq/apps/commtrack/util.py
	corehq/apps/commtrack/views.py
Fixed import