Move contributing to CONTRIBUTING.md
Merge pull request #175 from ryanseys/contributing

Move contributing from README to CONTRIBUTING.md
Clarify request names and fix minor whitespace issues
Amend
Amend indentation
Fix closure linting errors
Merge pull request #174 from ryanseys/fix-req-naming

Clarify request names and fix minor whitespace issues
Merge pull request #178 from ryanseys/lint-all-the-things

Fix closure linting errors