log ffmpeg command line & export interpolation to VOC#312

Merged

nmanovic merged 10 commits intocvat-ai:developfrom jrjbertram:develop

Feb 12, 2019

+114-39

Commits on Feb 5, 2019

Add ffmpeg command line to logs for easier debuggging of frame extraction issues in the future.
josh666123
committed
Added support for converting interpolated video to Python VOC format.
josh666123
committed
Fixing issues with code quality checks
josh666123
committed

Commits on Feb 6, 2019

code review updates
josh666123
committed

Commits on Feb 12, 2019