Release 3.32.0 rc1

### 12/3/2014

### 3.32.0

### Fixed Bugs:
- Store memos and invoice_id when enqueuing outgoing payments
- Issue with travis build and added coveralls and istanbul for coverage
- Typo in externalAccount assocation
- Circular dependency caused by requiring gatewayd
- Deposits endpoint now validating that external_account_id points to valid externalAccount


### Added Features
- Associate ExternalAccounts to ExternalTransactions
- Add properties `to_account_id` and `from_account_id`