added processed_crash redaction system
clean up and commenting fixes
Merge pull request #1620 from twobraids/redacted

fixes Bug 930324 - added processed_crash redaction system
fixes bug 928048 - crontabber to store all state in postgres instead of json file
removed some old junk
now with 96% test coverage
rebase and upgraded down_revision
fixed the unique constraint
close your connections Dave
no un-necessary connection context utility
no need to pop when changing a key in a dict
remove redundant 'else:' statement