#3868: Load Media Browser to select image for cropping.
#3868: JS file
#3868: Try to use existing AJAX to start crop tool
#3868: Crop form loads and appears to be functional.
#3868: Form saves with no errant validation errors.
#3868: Cleanup
#3868: Fix bugs with removing and adding new image again.
#3868: Prevent non-images from appearing in library
#3868: Set book_image_cover to use media field.
#3868: Change software release file field to media
Add fields.
Change og_node_access_strict.
Set og_node_access_strict:
Fix update.
Add submit handler.
Prevent error.
Remove obsolete code.
Remove site wide "vsite user" role.
Merge branch 'SCHOLAR-3.x' into 4374
Add vsite::og_is_group_admin().