Attempt to make using the DFU utillity with the spark core or photon easier
Started this on Jan 11, 2015.
Hope to have something working within a few weeks
Note the spark core binaries are at
https://github.com/spark/firmware/releases
DFU binaries and util are at
http://dfu-util.sourceforge.net/releases/dfu-util-0.8-binaries/
openSSL
http://slproweb.com/products/Win32OpenSSL.html
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