refactor transactions
s/TriggerState/TriggerStatus/
store the date/time of the vote in the TriggerExecution and Action objects
clean up atomic updates of cached aggregates, refactor outcome aggregates, and count how many pledges have been executed so we can hide statistics before they are all executed
a way for transactions to be credited while deleting a PledgeExecution
the DE api seems to return errors using two different formats (void errors come back as dicts)
a method to vacate triggers
ajax loading indicator should have z-index higher than Bootstrap modal
override email confirmation mailer with my html emailer so we can send nicer emails