Merge branch 'communities-addition' of https://github.com/jlcohoon/centerforopenscience.org
Merge branch 'communities-addition' of https://github.com/jlcohoon/centerforopenscience.org
finished pre-registration section
Merge branch 'prereg' of https://github.com/mckidwell/centerforopenscience.org into mallory