proper checks on user email and insertion
add missing underscore
add missing sets to sql
Merge pull request #329 from squirrelo/fix-addAGLogin

fix addAGLogin
Merge pull request #330 from squirrelo/add-sets-to-sql

Add missing sets to sql
add function to check if new survey exists
Merge branch 'master' of https://github.com/biocore/american-gut-web into wwwadmin_changes