Add model for status log.
Add order fk on payment.
Merge pull request #548 from benkonrath/cowry-cleanups-fixes

Cowry cleanups fixes
Fix south migration deps.
Merge pull request #554 from benkonrath/cowry-cleanups-fixes

Fix south migration deps.
User sync optimizations
rename of salesforce tree
removed archives
more removes
Merge pull request #555 from jfterpstra/salesforce1

User sync additional fields