suppress pdf
Merge branch 'master' of https://github.com/iefbr14/sdf-doc

Conflicts:
	build
Move html to its own directory

Start of migrating the generated html out of the Doc tree.
Web site generation should not leave its results as part of
the site source tree.  Documents need to be generated with results
recorded elsewhere
Merge branch 'master' of github.com:iefbr14/sdf-doc