Import parent_id properly. Fixes #2642.
Merge branch 'wch' into content-fields
Includes organization in topics.json.
Ensure that videos are properly recursed during topic_tree rebuilding.
Merge branch 'wch' into content-fields
Merge pull request #2646 from rtibbles/content-fields

Fixes for content import
fixed video play only once
fixed title/description overlapping and vertically center title
Merge pull request #2653 from 66eli77/wch

fixed title/description overlapping and vertically center title
Merge branch 'wch' into video_points_fix