re-instated pheno serach as /analyze/phenotypes/
Issue fixes (team page, about tab, contact us)

(1) Updated Monarch team page as fix for issue #53.
(2) Added About tab with Releases page to navbar for issue #54.
(3) Added Email Us subsection to Contact tab as fix for issue #55.
Merge branch 'master' of https://github.com/monarch-initiative/monarch-app
Helvetica Font, Publications issue fixes

(1) Non-header font is Helvetica. (#45)
(2) Added publication in #48 to Publications page and added Ontologies page in Documentation link.