Fix for Feed error rendering
Fix for error message display
Fix for API controller filter
Fixed bug of media APIs
Merge pull request #800 from linzongshu/develop

Fixed bug of media API
Merge pull request #799 from linzongshu/media

Fixed bug of media APIs
Merge pull request #801 from linzongshu/develop

Fixed bug of media management
Added size unit transform for file
Cleaning for media api
Merge pull request #802 from linzongshu/develop

Custom elements to display in list page
Cleaning for media api
Fix for doc id fetch
Fix for doc id fetch