Case:52991 add Indicator view (quotient view)
use kwargs to pass through agruments
add unit tests
more pythonic
IndicatorView -> AggregateKeyView (more generic)
fix bug and comment memoize
fix incorrect class name
minor fixes and remove stale tests
comment memoize import which isn't currently installed
Merge pull request #3 from dimagi/aggregate_extensions

Case:52991 add Indicator view (quotient view)