Fix build
    Fix:     java.lang.RuntimeException: Error receiving broadcast Intent { act=android.hardware.usb.action.USB_DEVICE_DETACHED flg=0x10 (has extras) } in com.gat3way.airpirate.MainActivity$1@41f76d18
     Caused by: java.lang.NullPointerException
            at com.gat3way.airpirate.Band.reset(Band.java:59)
Adding my RTL8188CUS
    Fix: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.hardware.usb.action.USB_DEVICE_DETACHED flg=0x10 (has extras) } in com.gat3way.airpirate
     Caused by: java.lang.NullPointerException
            at com.gat3way.airpirate.Band.reset(Band.java:59)
            at com.gat3way.airpirate.MainActivity$1.onReceive(MainActivity.java:65)
Merge pull request #1 from erik-smit/master

Various fixes