Add note for escaping bash special characters
Add note for escaping bash special characters

fauxton/travis-web,fauxton/travis-web,fotinakis/travis-web,fotinakis/travis-web,travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web,fauxton/travis-web,travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web,fauxton/travis-web