support "unwrapped" mode in CaseDbCache
support for unwrapped cases in reverse_indices
tmp commit with unwrapped indices
don't wrap cases in id-only cloudcare api mode

related to http://manage.dimagi.com/default.asp?149598

this reduces a form load time from about 12 seconds to 2 seconds locally
remove prints
change exception type
add tests for nowrap mode of case db cache
add comment clarifying semi-magical behavior
cater for initial_cases being a set
Remove faulty assumption about itext/text ref attributes
Add test
Remove completed todo
PEP8 compliance
remove copy to bug-reports domain for app reported issues

http://manage.dimagi.com/default.asp?150804
disable Subscribe to Plan button on submit
Merge pull request #5101 from dimagi/fix-multiple-subscriptions

disable Subscribe to Plan button on submit
Update to vellum:6e733d5
deactivate a subscription if its end date is changed to today
Merge pull request #5102 from dimagi/deactivate-sub-ended-today

deactivate a subscription if its end date is changed to today
make mm export enddate inclusive