rawspeed: Nikon P7000 high iso fix
Regression fix: it will happen here.
Masks: refactor constant 1 as dt_masks_version()
Masks: bump version

All new masks (after regression) are fine.
Masks legacy params: base infrastructure implementation
Masks legacy params: handling of images with ORIENTATION_NONE
wip
After successful call to dt_masks_legacy_params, write form back to DB