Merge pull request #375 from jay-hodgson/release-y

SWC-658: collect profile info on registration, add team name to submitter list, and refactor profile edit form
update banners and comment out for later release
Merge pull request #377 from dburdick/swc-652

update banners and comment out for later release
Open up DREAM8 challenges
Merge pull request #379 from dburdick/swc-652

Open up DREAM8 challenges
Remove portal endpoint from stackConfig
Merge pull request #381 from xschildw/remove-portal-endpoint

Remove portal endpoint from stackConfig
fix challenge overview page