Merge pull request #3 from yeukhon/master

Added gitignore.
Merge pull request #4 from yeukhon/basic-auth

Added support for basic auth. See #2.
Fixed #7. Update README to indicate skipfish version requirement.
Corrected typo in README and simplified wording.
Merge branch 'master' of https://github.com/yeukhon/minion-skipfish-plugin