Add clear settings tests
Update settings test fixtures
Merge pull request #150 from geertweening/develop

[FEATURE] use winston for all logging
Add post trustlines test
Merge pull request #151 from ripple/tests

Update tests
[FIX] if wrong hash provided, respond with 400

invalid request
[FIX] respond 404 with transaction type for txnNotFound
Add test db interface, fix test errors
[TASK] remove unused from grunt
[TASK] bump ripple-lib to v0.8.2-rc2
[FIX] find config.json relative to config-loader's dir
[TEST] fix ledger index for response check
[FEATURE] memo field support

add an array with memo objects to the memos property as part of a payment object
[TASK] cleanup unused