restore .col-*-12 classes for now. add missing % functions to grid less code
restore .col-*-12 classes for now. add missing % functions to grid less code

BS3 commits 45c5b4e and a05f6d4

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