update agent spec/discovery page with new schema and vocab
update agent spec/discovery page with new schema and vocab

rwcarlsen/cyclus.github.com,opotowsky/cyclus.github.com,opotowsky/cyclus.github.com,rwcarlsen/cyclus.github.com,gidden/cyclus.github.com,rwcarlsen/cyclus.github.com,gidden/cyclus.github.com,opotowsky/cyclus.github.com,gidden/cyclus.github.com