[TASK] consolidate transaction logic
Merge pull request #215 from ripple/refactor-transactions

[TASK] consolidate transaction logic
[Task] Orders: Add paths to index page
Merge pull request #217 from lumberj/task/orders_info

[Task] Orders: Add paths to index page
[FIX] hanging payment tests

hash needs to be unique for non-validated payment posts
[TEST] add tests for use of complex currency