Add definition for Panasonic DMC-G1
Add definition for Panasonic DMC-G1

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