print the controller name as a class to body
add identifying classes to main nav items
remove help/faq link from main-nav

closes #643
define css colours as sass variables
add execption for home#about action.
colour current navlink
override one pixle border on main nav

fixes a little visual bug
add help link to footer
Merge remote-tracking branch 'origin/test' into highlight_current_section

Conflicts:
	spec/fixtures/static_pages/division.php?date=2006-12-06&house=representatives&number=3&display=policies.html
	spec/fixtures/static_pages/division.php?date=2009-11-25&number=8&house=senate&display=policies&dmp=1.html
	spec/fixtures/static_pages/division.php?date=2009-11-25&number=8&house=senate&display=policies&dmp=2.html
	spec/fixtures/static_pages/division.php?date=2009-11-25&number=8&house=senate&display=policies.html
	spec/fixtures/static_pages/division.php?date=2013-03-14&number=1&house=representatives&display=policies.html
	spec/fixtures/static_pages/division.php?date=2013-03-14&number=1&house=representatives&display=policies_2.html
	spec/fixtures/static_pages/division.php?date=2013-03-14&number=1&house=senate&display=policies.html
	spec/fixtures/static_pages/division.php?date=2013-03-14&number=1&house=senate&display=policies_2.html