Extract boot package and use it in crazyradio-dump. Also, the public version of boot.Config has int, not uint16 fields to make it harder to make a mistake with uint16 overflow
Merge pull request #6 from krasin/bootloader

Extract boot package and use it in crazyradio-dump.
Implement boot.Dump(fromPage, toPage)
Merge pull request #7 from krasin/bootloader2

Implement boot.Dump(fromPage, toPage)