* GradientButton components
* Style guide updates
* Display errors and override styles for InputFieldWithIcon
* Envelope Icon
* Login page form submission (#157)
* API client utility
* moves test helpers to the test directory
* Utility to namespace local storage keys
* LoginSuccessfulPage component
* Check icon
* adds auth to redux state
* successful form submission
* Allow tests to load dummy SVG static images & test fixes
* ForgotPassword Page, Form & route
* Email validator
