Added. NWPlayerLib action and handler db_history
Added. NWPlayerLib action and handler related_video
Added. NWPlayerLib action and handler video_playlist
Added. NWPlayerLib action and handler video_refresh
Fixed. Video url undefined in search results
Fixed. Regular expressions to uto-detect video identifier
Added. Loading indicator for every ajax call
Fixed. Content scrollbar and margin of containers
Fixed. Handle empty result of database history query