Specify a version of jekyll.
Add required dependency.
Update jekyll launch documentation.
Show how to install bundler.
Merge pull request #1 from curious-attempt-bunny/bundle_jekyll

Bundle jekyll for a repeatable build environment
Add "clj" tag for embedding Clojure code by URL.
Document an example.
Add the example documentation to the navigation.
Add the example code.
Switch from embedding URL content to file content.