Adds Select2.
Replaces search box and add with basic select.
Adds placeholder text.
Changes style to large input.
Populates results based on search term.
Adds user selected artist(s) back in the text box.
Removes unused options.
Wires up Select2 to tracks.
Renames input.
Removes tracks when artist is removed from selection.
Playlist title stays up to date with addition/removal of artists.
Removes unused methods.
Renames val.object to val.choice for consistency.
Hides the create playlist button when selection is empty.
Makes search box wider.
Changes placeholder text to Proxima Nova Thin.
Fixes line height.
Changes input too short string to just suggest typing an artist's name.
Change font to Proxima Nova Light.