NXP-10701: refactored filemanager plugin implementation
NXBT-514 - cleanup POMs
NXP-10882: make the 'video_storyboard' widget type not related to the document summary.

We now have two widget types: 'video_storyboard' and 'summary_video_storyboard'.
Merge branch 'master' into FEATURE-NXP-10450-THUMBNAIL