add alt text to media object <img>s
add alt text to media object <img>s

BS3 commit 598f811fa0838ba6153e07862621f13e6c877ca4

aaroncnhk/todc-bootstrap,2947721120/todc-bootstrap,up2vs/todc-bootstrap,todc/todc-bootstrap,todc/todc-bootstrap,2947721120/googlebt4,ztx1491/todc-bootstrap,todc/todc-bootstrap,mozillo/todc-bootstrap