Once again added correction to using buttons - invoking preventDefault was needed.
Visual corrections to playlist item editor.
Also added notification of artist/title/album incorrect/correct values.
Minor corrections needed to previous commit.
Fix to handling item removal from playlist.
Now it should works fine.
Correction in github link located in footer.
Now it opens page in new tab.
Added correct style definition to css file - for edit button.
Also some minor style changes in colors.css file.
Love button has been removed from playlist to top of the page (to main controls).
Some minor style changes also.
Changes needed to modify the way in which track can be "loved" by user.
Now it is possible from main view instead of from playlist view.