[TEST] Orders: Add tests for complex currencies (RLJS-119)

Added assertions on the rippled response (currency, value, issuer) and
ripple-rest response
Merge pull request #222 from lumberj/test/orders_complex_currencies

[TEST] Orders: Add tests for complex currencies (RLJS-119)
[TASK] update place orders API to accept XRP amounts
[TEST] update balances fixtures
[FEATURE] Add `limit` to paginated responses for Balances and Trustlines
[FEATURE] add get account orders API implemented with promises
Merge pull request #224 from boxbag/account-orders

[FEATURE] add account orders API endpoint
Merge pull request #227 from lumberj/feature/add_limit

[FEATURE] Add `limit` to paginated responses for Balances and Trustlines (RLJS-124)
[TEST] Add tests for complex currencies in trustlines

[TEST] Add test for removing trustlines with complex currencies

[TASK] Remove double quotes and add assert messages
[FIX] Balances: Invalid test case
Merge pull request #228 from lumberj/fix/balances_limit_test

[FIX] Balances: Invalid test case
Merge pull request #225 from clark800/feature/complex_currency_trustline_tests

Feature/complex currency trustline tests
[TASK] bump ripple-lib to 0.9.4-rc1
[TASK] shrinkwrap dependencies
[BUG] Empty string is not a valid UINT32
[TASK] Refactor trustline test code to reduce duplication and test response body before status code and headers

[TASK] Use object for arguments to checkGetRequest and checkPostRequest

[TASK] Clean up trustline test code, change parameter names, function signatures

[TASK] Make arguments to testGetRequest and testPostRequest mandatory
Merge pull request #231 from lumberj/bug/empty_string_not_uint32

[BUG] Empty string is not a valid UINT32
Merge pull request #226 from clark800/feature/trustline_tests_refactor

[TASK] Refactor trustline test code
[TASK] add offer create flags to place order API
Merge pull request #229 from boxbag/offer-create-flags

[TASK] add offer create flags to place order API