layout-helper: fix body css classes
layout-helper: fix body css classes

Conflicts:
	app/helpers/layout_helper.rb

vfcosta/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,vfcosta/noosfero,vfcosta/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,vfcosta/noosfero