Add support for Canon EOS 7D sRAW and adjust 7D blackcolor for better color reproduction.
Add support for Canon EOS 7D sRAW and adjust 7D blackcolor for better color reproduction.

darktable-org/rawspeed,klauspost/rawspeed,mgehre/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,mgehre/rawspeed,darktable-org/rawspeed,anarsoul/rawspeed,anarsoul/rawspeed,darktable-org/rawspeed,anarsoul/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,klauspost/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed