rename theme.css to website.css; remove unused new-style.css; and move bootstrap-theme to deps
add config.yaml  site.path.website  var in prep for merger to brooklyn main codebase
replace site.url with site.path.website
move things to website/ subdir, update site-structure plugin to work better with that, and have placeholder index.md in root
convert site-structure links to be relative paths (preferred)
place website files in root during production build, and fix ruby errors