Backed out changeset dc35beb7190f
Backed out changeset dc35beb7190f

Sorry Thomas, these doc fixes are no longer relevant with the JacobiSVD API changes, and they are preventing me from applying my patches cleanly.

pthulhu/eigen,pthulhu/eigen,cjntaylor/eigen,cjntaylor/eigen,cjntaylor/eigen,pthulhu/eigen,pthulhu/eigen,pthulhu/eigen,cjntaylor/eigen