Merge pull request #1780 from MikeMcQuaid/use-docs-links

CONTRIBUTING.md

Library/Homebrew/README.md

Library/Homebrew/cmd/analytics.rb

Library/Homebrew/cmd/help.rb

Library/Homebrew/cmd/info.rb

Library/Homebrew/cmd/tap-info.rb

Library/Homebrew/cmd/update-report.rb

Library/Homebrew/dev-cmd/create.rb

Library/Homebrew/formula.rb

Library/Homebrew/manpages/brew.1.md.erb

Library/Homebrew/os.rb

Library/Homebrew/utils/analytics.rb

Library/Homebrew/utils/analytics.sh

README.md

docs/Formula-Cookbook.md

docs/Tips-N'-Tricks.md

docs/brew.1.html

manpages/brew.1