Merge pull request #113 from mfraezz/dev

Functionality update
Merge pull request #114 from mfraezz/dev

Fix mfr_movie, mfr core imports, pdf path
Merge pull request #115 from mfraezz/features/pv

Add support for PV protein rendering library
Merge https://github.com/CenterForOpenScience/modular-file-renderer into features/pv
Fix installation setup