Apply Now disambiguation page + updated links pointing to it

prospective/apply.shtml

prospective/images/apply-now-bg.jpg

prospective/images/apply-now-global.png

prospective/images/apply-now-graduate.png

prospective/images/apply-now-law.png

prospective/images/apply-now-online-distance.png

prospective/images/apply-now-undergrad.png

prospective/index.shtml

sharedcode/css/4.0.css

sharedcode/less/4.0.less

splash/index.shtml