updated dbtypes for vec<float>
Merge pull request #96 from katyhuff/source

CEP 4 - Attribution of Code Products in the Cyclus Ecosystem
Merge branch 'source' of github.com:cyclus/cyclus.github.com into source
Merge branch 'source' of github.com:cyclus/cyclus.github.com into source
added examples for dre
drep wording update
cleaned up mixin example and added warnings
Merge branch 'source' of github.com:cyclus/cyclus.github.com into source
adds @scopatz edit about micro versions