[FEATURE] use ripple rest client instead of ripple-lib
[TEST] issue currency
[FEATURE] use ripple rest client instead of ripple-lib
[TEST] issue currency
Merge branch 'ripple-rest-integration-issue_currency' of github.com:ripple/gatewayd into ripple-rest-integration-issue_currency
Merge pull request #174 from ripple/ripple-rest-integration-issue_currency

Ripple rest integration issue currency