add alt attribute to img elements per specified doctype
Merge pull request #13 from Trott/alt

add alt attribute to img elements per specified doctype
removed dupe page file. refs #12
Merge branch 'master' of github.com:ucsf-ckm/ucsf-history-website

Conflicts:
	buildings-05202008.html
Merge pull request #14 from stopfstedt/master

removed dupe page file. refs #12