Exculude nodes/*.json from the git management.

This commit refs #165.
Add generic sample node json file.

This commit refs/fixes #165.
Merge branch 'id/165' into dev
Delete the 3rd party cookbooks.

This commit refs #164.
Add Berksfile to manage 3rd party cookbooks.

This commit refs #164.
Exclude the following file/directory from git management.

  * Berksfile.lock
  * cookbooks

This commit refs #164.
Add explanation on how to install Berkshelf.

This commit refs #164.
Add explanation on how to install 3rd party cookbooks.

This commit refs #164.
Modify Rakefile to test properly.

This commit fixes #164.
Merge branch 'id/164' into dev
Add Gemfile to manage Ruby gems.

This commit refs #166.
Exclude vendor directory from the git management.

This commit refs #166.
Modify Rakefile to test properly.

This commit refs #166.
Modify the README.md to explain how to install gems and cookbooks, using bundler.

This commit fixes #166.
Merge branch 'id/166' into dev
Modify Rakefile to go through the build process without failure.

This commit refs #166.
Merge branch 'id/166' into dev
Merge commit 'c5cde3bad2512ad8e6168a0221a2bf5b9c6a72f5' into HEAD