BIG+BK+RF+WEB+NF+BLD: store matlab-automagically-generated files in a sub-directory "matlab" so it does not interfere with other .rst files in doc/source. Generate signature files (sgn) that can be used in-line. Introduce ":pb:" directive to refer to matlab-published html files
WEB: give ex_toc and intro a "cosmo2013_" prefix
WEB+MSC: update picture of dataset
BIG+MSC+WEB: support datadb toturial data