Update XSLT to display multiple black/white values.
Update XSLT to display multiple black/white values.

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