[feature] Financial real-time unit tests

unit/financial-realtime-spec.js & financial-data.js
- Added financial-data mock
- Unit tests for real-time.js module
date.js
- date.js has no bower component, need to load local file for unit tests
ajax-mock.js & store-auth-spec.js
- Added new test case for testing response error
gulpfile.js
- Added new files and dependencies to unit testFiles list
- Removed jshint verification from test/ folder