changing header social icons to float left, adding mailto link in the footer

changing header social icons to float left, adding mailto link in the footer

removing the arrow content next to the dropdowns in the topbar of there are more than 2 levels
of sub menus. adding mailto link in the email contact link in the footer. going around gecko bug
that doesn't respect top positioning if the elements inside of a container tha is positioned relative
by changing inline-block to float left for the social icons in the header