Added Romanian to supported languages

Update zh-CN.json

Dev

Fixed outPool text

fix several missing translations

add support for german, american spanish, argentine spanish

Adding Argentine Spanish

German translation added

Enable American Spanish

Adding Argentine Spanish locale file

Adding American Spanish locale file

Dev

no more breakpoints, just max width #183

PNG -> SVG 

refactor transaction details modal into expanding panel

improving classnames for transaction details items

fix too thin font-weight in currency-panel

fix issue w/ responsiveness due to media querie

device-width is deprecated and only works in chrome it seems. reworked to use regular min/max-width queries for both scss & react-responsive. submitted a ticket to react-responsive to fix

Noticed duplicate code 

```
  if (tokenAddresses.addresses.filter(([ symbol ]) => symbol === label).length) {
    return;
  }
```

* Retry deadline if undefined

* Remove console logs