A .DS_Store file is automatically generated by the macOS Finder that contains the parent folder's metadata (a database of icon positions and background image selections). Adding this to the .gitignore so we don't have to manually remove them when committing to the repository.
Added performance improvements suggested by heckflosse. Lowered median sampling step from 7 to 5 since calculation is now much faster.
Added support for Fuji X-Trans raw files.
Applied SSE2 patch provided by @heckflosse, improves performance in main processing loop.
Moved film negative processing stuff in its own compilation unit.
Code cleanup: removed redundant omp directives.
Added check for dead pixels, going above threshold after inversion. ST_BAYER only for now.
Reverted leftover hack in cropwindow.cc
