CONTRIBUTING.md

MSP-10039

Verbose contributing instructions including expected '* Steps' comments
for PRs and which downstream dependencies to test.
Fix typo

MSP-10039
Add semantic versioning 2.0 library to match CONTRIBUTING instructions

MSP-10039
Merge branch 'master' into feature/MSP-10039/readme

MSP-10039

Conflicts:
	lib/metasploit_data_models/version.rb
Merge pull request #60 from rapid7/feature/MSP-10039/readme

CONTRIBUTING.md