add two more bootstrap css
index, recommendation

done with index framework, modifying recommendation
add keyboard event
small modify
Merge branch 'master' into donghe_May25

Conflicts:
	css/bootstrap-responsive.min.css
	index.html
	recommendation.html
Merge branch 'donghe_May25' of https://github.com/JunjieWang/uwmedwebapp into donghe_May25
Merge pull request #7 from JunjieWang/donghe_May25

Donghe may25