small tweak to login area

added 1px border for emphasis
About us link

added about us link to site links in footer
remove Messages menu from Navigation bar
force logout to land on login page

stop users from  landing on the root page. Bring them to the login page instead. (login page doubles as root page; includes notifications, maintenance etc.)
only target main login page for background image

background image being applied to all login pages; target rule at main login page instead

only target main login page for background image

background image being applied to all login pages; target rule at main login page instead