Sparkfun signed driver

 * Removed files FioV3.inf, LilyPadUSB.inf, MakeyMakey.inf, ProMicro.inf and created sparkfun.inf file which installs drivers for boards: SparkFun Pro Micro, SparkFun Makey Makey, SparkFun Fio V3.
 * LilyPadUSB.inf was not included in sparkfun.inf file, since board is recognized as Arduino LilyPad USB.
 * Added [DefaultInstall] section to sparkfun.inf file, so that the user would be able to install your drivers by right clicking on sparkfun.inf file and selecting "Install" option.
 * Updated MFGFILENAME, which is the name used for the .cat generated file, to sparkfun, so .cat file used to sign your driver would be named sparkfun.cat instead of cdc_vista.cat. 
 * Created folder signed_driver which contains files:
  *  dpinst-amd64.exe
  *  dpinst-x86.exe
  *  sparkfun.cat
  *  sparkfun.inf