removed PHP code from footer file.
renamed footer.php to footer.html
renamed refs to footer.php into footer.html everywhere.
renamed file google_analytics.php to google_analytics.html
renamed refs to google_analytics.php into google_analytics.html everywhere.
removed PHP code from ucsf_banner.php script.
renamed file ucsf_banner.php to ucsf_banner.html
renamed refs to ucsf_banner.php into ucsf_banner.html everywhere.
removed PHP code from search_include.php file.
renamed search_include.php to search_include.html
renamed refs to search_include.php into search_include.html everywhere.
removed image rotator script.
removed rotator rotator script url. added class selectors to target header image variations. set default header background image to header1.jpg.
randomly distributed class selectors targetting different background images to all pages.
minor markup fix.
Merge branch 'kill_php_and_jekyllize_page'

Conflicts:
	htdocs/includes/footer.php
	htdocs/includes/ucsf_banner.html
	htdocs/search_include.html