Merge pull request #13 from wltsmrz/develop

Restructure API handlers, refactor
Revert to working commit
Add refactored files
Update balances
Fix typo. Closes #15
dest > destination, auth > authorization
Filter unwanted files in /schemas
Cleanup
Update account settings schema
Cleanup
Re-add ledger to AccountSettings schema
Add transaction hash and ledger index in settings response, wrap transaction in a domain
Wrap TrustSet transaction in a domain
Add no_rippling info
Add success property to settings response
Trustline create has 201 response code
Re-add transactions-lib
Fix api/balances
Cleanup
Update payments