Feature + Bug Update

Features:
- Added Add/Remove Rig Functionality
- Added functionality to link to wallet page (Wallet page not
functional)
- Added ASIC support
- Added debug script for devices mining software we currently don't
support

Updates:
- Updated miner class, removed dualminer/gridseed class
- Touched login system again
- Touched pool update time to 1 minute

Fixed Bugs:
- Settings saved did not reflect refresh times