Read Crazyflie config sent with CMD_GET_INFO response. It contains at least one important number: FlashStart, that designates the start of firmare image in the Flash
Add a check that PageSize=1024. Anyway, it's known that Crazyflie settings, like channel or datarate are located at page=117 with PageSize=1024. Also, strip bootloader if -full is not set
Merge pull request #3 from krasin/dump-image2

Parse contents of CMD_GET_INFO response and obey FlashStart argument to take just an image w/o a bootloader.