Merge pull request #6 from haggl/master

bugfixes
restructure frontend scripts
add to-do list to readme
Update README.md

add detailed description / to do-list
Update README.md
Update README.md
Update README.md
refine layout
set initial song button opacity to 1
set/clear update intervals to reflect current view
merged playlist_view.js and song_view.js back into frontend.js
add character encoding declaration
remove linebreaks from layout
layout corrections and additions
add volume buttons to song view
minor layout improvements
move volume buttons below song description
increase volume button size
refactor stylesheets to let respective .songview display background
fixed playlist control
merge playlist_control.js back into frontend.js
Update README.md
add progressbar to songview
non-interactive for now
Merge branch 'master' of https://github.com/cmplex/webmpc
fix formatting in frontend.js