Merge pull request #1587 from dimagi/cz

add management command to rebuild all cases in a domain
add failing test for parent ref
add reference_id property and update xml generation
add url hook for complex reminders view
split reminders forms into simple and complex
split form sections in reminders form into separate properties
complex reminders: timin in message, simple reminders: timing in send
ui type should be bound to the specific form class, not passed in...
map, not each for langcodes in reminders form
Message Content is Schedule in complex reminders form
timing_fields in simple reminder
timing fields in complex reminder
events UIs for simple and complex reminders
take this html and put it in a template (reminders, fire_time)
just moving code around in the reminders form
don't put a margin in reminders fire_time field
display conditions in complex reminders event table
cleanup in complex reminders event table
add isEventDeleteButtonVisible condition to reminders model
add event functionality added to reminders complex form