Intégration basique css
Merge branch 'dev' of https://github.com/Gyoo/SongTracker into css

Conflicts:
	Server.php
	error.html
	index.php
	login.js
	login.php
	perso.php
	read.js
	readMusic.php
	upload.php
Intégration de l'index et quelques éléments globaux
Include: header/footer