patched id3 library to fix bug
added owner_id to song upload and listings
implemented player with queue
implemented sidebar with proper player, queue display and drag'n'drop
added patched angular-sortable-view library
made drag-able area smaller
undo changes to build_dir
removed ng-boilerplate branding
added inline editing for metadata
added angular-xeditable css to main.less since import fails
added ability to redownload covers
Create search REST endpoint
Add indexing of songs into elasticsearch
Add REST endpoint for song search [title, album, artist, year]
 - implement library with basic search functionality with elastic search
 - fixed minor code errors
 cleanup search code
fix html
remove unnecessary require
moved elastic search reindexing to www
made host config of elastic search configurable
escape special characters for elastic search
remove unnecessary comment