Merge pull request #470 from pushpakpop/master

Comment deletion and UI changes
fixed music cover art on media load
merged master
default value set for is_upload_shortcode
fix cover art for music
Merge pull request #471 from Ritesh-patel/master

fix music cover art
moved album privacy hook and drag-drop area opens when file dragged.
Merge branch 'master' of https://github.com/rtCamp/rtMedia