Add background images sprite and icons
Add scripts and make a slow animation scroll function
Change page styles according to design
Merge branch 'master' of github.com:mmoreram/AdaBoost

Conflicts:
	src/Bundles/WebBundle/Resources/public/sass/_app.sass
	src/Bundles/WebBundle/Resources/public/sass/_commons.sass
	src/Bundles/WebBundle/Resources/public/sass/_normalize.sass
	src/Bundles/WebBundle/Resources/public/sass/_variables.sass
	src/Bundles/WebBundle/Resources/public/sass/main.sass