Refs #76 - Remove GitHub API links from Event Types
Refs #82 - Add correct GitHub links to Event Types & Payloads
Refs #82 - Add correct internal links to Event Types & Payloads
Refs #82 - Fix broken issue comment links
Merge pull request #82 from synapsestudios/bugfix/82-remove-github-links

Links on Event Types & Payloads section go to api.github.com