move commtrack settings url to commtrack urls file and redirect old url
delete redundant base view class
move commtrack settings view from the project settings to setup tab
refactor dropdown items list to be more DRY. move settings to bottom
rename tabs / menu items
reorder tabs/menu items
make location and consumption sync by default
don't 500 on arbitrary domain types in URLs
fix per-location consumption display to be monthly
be consistent with terminology in product list and edit views

- use "code" instead of "keyword" or "sms code"
- use "units" instead of "default unit"
change "administrative only" to "tracks stock" and flip the checkbox
change code --> product id in the UI
Merge pull request #3667 from dimagi/comtrack-menus

commtrack tweaks