Removed barbecue cheet. :(
Merge pull request #1151 from Wylkon/3.4.0

Removed barbecue cheet. :(
removing old images in the footer
adding sprites footer
improvementing sass and html to footer
Merge pull request #1153 from deividmarques/3.4.0

improvementing footer
Merge pull request #1154 from diegoeis/3.4.0

Little issues to improve CSS performance and cascading
[perf-css] - removing nesting selector of ls-menu and ls-submenu
Merge pull request #1155 from deividmarques/3.4.0

[perf-css] - removing nesting selector of ls-menu and ls-submenu
Fixing #1148.