v0.60: Updates and bugfixes

DeskHop v0.60

- Single unified firmware binary
- Improved support for NKRO keyboards
- Report mode default for keyboard port
- Improved consumer control parser for variable
  data types (media keys should be better supported)
- System control forwarding
- Improved HID parser
- Web UI to configure instead of keyboard shortcuts 
     => to use, you need chrome/chromium, press left shift + right shift + c + o 
          and open config.htm from the usb drive that appears
- Firmware upgrade while the device remains functional
- Only one end will need upgrade, the other will get it automatically
- No need to recompile to set most settings
- Improved UART routines to use DMA, more reliable link
- Fixed a bunch of bugs and issues


NOTE: This is a huge code change, there might be bugs, even outright broken functionality. Use with caution and please report any issues. Thanks!