removes showcase

Not needed after new Site Manager setup
updates 2 column builds to new BS3rc1
Updates homepage build with bs3rc1
adds Homepage Hero Layout
Updates content Type with SM ID number
adds backup press_release Content Type
adds press release content type for build
Updates Homepage Hero

Updates css and less files + SM content Style
updates css less and html to work with SM quirks
removes old builds
pulls david's homepage version from smbuild2
adds 2column build
adds press_release_41.html to 2011_styles
adds darkhomepage
removes homepage and darkhomepage
begins two group tab navigation for homepage.html
adds all items for group top navigation homepage.html
Updates <li> navigation items to T4 Navigation
merges David's changes with my local
merges issues from merge