Col-1073 Update GitHub auth#79

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matthuynh wants to merge 3 commits intodevfrom

COL-1073-UpdateGitHubAuth

Commits on May 9, 2020

COL-1073 Update OAuth to use CollabCloud organization. Change register2 path
matthuynh
committed
COL-1073 Improve styling of Register2 page. Add tooltips
matthuynh
committed
COL-1073 Move all GitHub API OAuth variables into .env files
matthuynh
committed