Girder-large-image

Changes
- Reduce extraneous files in large_image distribution ([718](../../pull/718))

Changes
- Improve library dependencies in setup.py ([710](../../pull/710), [715](../../pull/715))

Changes
- Include the converter in the girder tasks dependency ([707](../../pull/707))

Changes
- Some log levels have been adjusted ([689](../../pull/689), [695](../../pull/695))

Improvements
- Add the image converter to the extra requires ([677](../../pull/677))
- All file tile sources can take either strings or pathlib.Path values ([683](../../pull/683))
- On Girder with read-only assetstores, return results even if caching fails ([684](../../pull/684))
- Handle geospatial files with no explicit projection ([686](../../pull/686))

Bug Fixes
- Fix default properties on annotations when emitted as centroids ([687](../../pull/687))

Bug Fixes
- A change in the Glymur library affected how missing files were handled ([675](../../pull/675))