* Add Swap feature to CurrencyInput * Fix linter error * Fix and Add unit tests
* Fix rounding issue when sending max tokens * Ensure amount row shows exact amount of max tokens on send screen (#2) * Fix tests * Change stored redux value from BigNumber to hex string. Fix TokenInput default value
* Add UnitInput component * Add CurrencyInput component * Add UserPreferencedCurrencyInput component * Add UserPreferencedCurrencyDisplay component * Add updatePreferences action * Add styles for CurrencyInput, CurrencyDisplay, and UnitInput * Update SettingsTab page with Primary Currency toggle * Refactor currency displays and inputs to use UserPreferenced displays and inputs * Add TokenInput component * Add UserPreferencedTokenInput component * Use TokenInput in the send screen * Fix unit tests * Fix e2e and integration tests * Remove send/CurrencyDisplay component * Replace diamond unicode character with Eth logo. Fix typos