HHCOC-78: Changes to layout pages to ensure IE running in edge mode and fallbacks in place for < edge
HHCOC-80: Change to javascript controling dynamic size of carousel header to allow correct resizing in =< IE8; added background image fallback on carousel tiles for =< IE8
HHCOC-80: Added min-height to carousel slides/container to stop title crashing navbar; Added header title resize on minimum height