Format markdown

Signed-off-by: Tim Smith <tsmith@chef.io>

CONTRIBUTING.md

@@ -6,11 +6,8 @@ If you'd like to submit a patch:
 
 1. Fork the project.
 2. Make your feature addition or bug fix.
-3. Add [tests](#testing) for it. This is important so that it isn't broken in a
-   future version unintentionally.
-4. Commit. **Do not touch any unrelated code, such as the gemspec or version.**
-   If you must change unrelated code, do it in a commit by itself, so that it
-   can be ignored.
+3. Add [tests](#testing) for it. This is important so that it isn't broken in a future version unintentionally.
+4. Commit. **Do not touch any unrelated code, such as the gemspec or version.** If you must change unrelated code, do it in a commit by itself, so that it can be ignored.
 5. Send a pull request.
 
 ## Testing
@@ -19,26 +16,36 @@ If you'd like to submit a patch:
 
 Install the latest version of [Bundler](http://gembundler.com)
 
-    $ gem install bundler
+```sh
+$ gem install bundler
+```
 
 Clone the project
 
-    $ git clone https://github.com/berkshelf/vagrant-berkshelf.git
+```sh
+$ git clone https://github.com/berkshelf/vagrant-berkshelf.git
+```
 
 and run:
 
-    $ cd vagrant-berkshelf
-    $ bundle install
+```sh
+$ cd vagrant-berkshelf
+$ bundle install
+```
 
 Bundler will install all gems and their dependencies required for testing and developing.
 
 ### Running tests
 
 One-time run with Rake
 
-    $ bundle exec rake spec
+```sh
+$ bundle exec rake spec
+```
 
 Or you can setup a quick feedback loop with Guard
 
-    $ bundle exec guard start
-    guard> rspec
+```sh
+$ bundle exec guard start
+guard> rspec
+```

README.md

@@ -1,29 +1,22 @@
-Vagrant Berkshelf Plugin
-========================
-[![Gem Version](http://img.shields.io/gem/v/vagrant-berkshelf.svg)][gem]
-[![Build Status](http://img.shields.io/travis/berkshelf/vagrant-berkshelf.svg)][travis]
+# Vagrant Berkshelf Plugin
 
-[gem]: https://rubygems.org/gems/vagrant-berkshelf
-[travis]: http://travis-ci.org/berkshelf/vagrant-berkshelf
+[![Gem Version](http://img.shields.io/gem/v/vagrant-berkshelf.svg)][gem] [![Build Status](http://img.shields.io/travis/berkshelf/vagrant-berkshelf.svg)][travis]
 
-Vagrant Berkshelf is a Vagrant plugin that adds Berkshelf integration to the
-Chef provisioners. Vagrant Berkshelf will automatically download and install
-cookbooks onto the Vagrant Virtual Machine.
+Vagrant Berkshelf is a Vagrant plugin that adds Berkshelf integration to the Chef provisioners. Vagrant Berkshelf will automatically download and install cookbooks onto the Vagrant Virtual Machine.
 
+## Installation
 
-Installation
-------------
 1. Install the latest version of [Vagrant](http://www.vagrantup.com/downloads.html)
 2. Install the latest version of [ChefDK](https://downloads.chef.io/chef-dk/)
 3. Install the Vagrant Berkshelf plugin:
 
-        $ vagrant plugin install vagrant-berkshelf
+  ```sh
+  $ vagrant plugin install vagrant-berkshelf
+  ```
 
+## Usage
 
-Usage
------
-If the Vagrant Berkshelf plugin is installed, it will intelligently detect when a
-Berksfile is present in the same working directory as the Vagrantfile.
+If the Vagrant Berkshelf plugin is installed, it will intelligently detect when a Berksfile is present in the same working directory as the Vagrantfile.
 
 Here is an example Vagrantfile configuration section for Vagrant Berkshelf:
 
@@ -51,19 +44,17 @@ Vagrant.configure("2") do |config|
 end
 ```
 
+## Contributing
 
-Contributing
-------------
 Thank you to all of our [Contributors](https://github.com/berkshelf/vagrant-berkshelf/graphs/contributors), testers, and users.
 
 - Please report issues [on the GitHub issue tracker](https://github.com/berkshelf/berkshelf/issues)
 - Hangout with us in #chef or #berkshelf on freenode
 
 If you'd like to contribute, please see our [contribution guidelines](https://github.com/berkshelf/vagrant-berkshelf/blob/master/CONTRIBUTING.md) first.
 
+## License & Authors
 
-License & Authors
------------------
 - Jamie Winsor (jamie@vialstudios.com)
 - Michael Ivey (michael.ivey@riotgames.com)
 - Seth Vargo (sethvargo@gmail.com)
@@ -83,3 +74,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ```
+
+[gem]: https://rubygems.org/gems/vagrant-berkshelf
+[travis]: http://travis-ci.org/berkshelf/vagrant-berkshelf