Added user_data dictionary field to WebUser model.
correctly interpret -1 as unlimited in invoice

also:
- fix improper pluralization in a translation
- fix sign on excess sms's
add remaining migrations
Moved 'user_data' to CouchUser model.
update staging.yaml

[ci skip]
basic dropdown experiment
add profiler
remove profiling markup
add show_in_dropdown to reports, side navigations.adds dropdowns
adds second level dropdown support and More for dropdowns with url
add divider-and-more on reports dropdown
do not show saved report header if there are no saved reports
add commtrack specific dropdowns
memoize sidebaritems and pass project object wherever available
pass project object instead of domain string
use project kwarg instead of **kwargs
fix sub menu url scheme
update prbac submodule
remove debug print and comments
move project to class initialization