add measured fujifilm x100s basecurve
allow x-trans cameras, clean up libraw params

Somewhat optimistically don't blacklist camers with X-Trans sensors.
Cull libraw parameters which pertain to processing and output.
selectively update coeffs for x-trans sensors
disable green-matching in demosaic for x-trans
fallback to cpu for x-trans sensors

sensors has no OpenCL implementation for demosaic, highlights,
temperature