Removed some unused code

- Added bootstrap grids to all components
- Add copy to clipboard at receive component
- Add basic styling

Make sure the right transaction to use is returned when building tran…

- Added fee slider
- Added password box in send modal
- Added unconfirmed balance to dashboard

Added transactionId to the "build transaction" return message

- Added sending modal
- Added receiving modal
- Added build and send functions to the API service
- Removed send/receive from wallet menu
- Fixed login (only returns status code 200 when OK)

Fixed inserting the tx twice

Sending funds

- Show five transactions on dashboard
- Add wallet recovery option (with date picker)

Feature/build transaction

- Restructured UI to latest mockup
- Improve history