Fix bug in adddress handling for reflash
Fix get_firmware_info rpc signature to accomodate new values

Now rpc call also returns the base address of the module in
flash.
Rename cmdr to commander for approachability
Merge pull request #41 from timburke/feature-xplatform-cmdr

Working Cross-Platform MoMo-Commander Replacement: modtool
Merge branch 'dev' of github.com:WellDone/MoMo-Firmware into dev