Add puppet-lint-param-docs plugins to puppet-lint

- This puppet-lint plugin checks if all parameters are documented
- Fix all the undocumented parameters.

Change-Id: I2f24ebc7c1493572f0e638da3b7a9dc73784a8aa
Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>

Gemfile

@@ -5,6 +5,7 @@ group :development, :test do
 
   gem 'puppet-lint', '~> 1.1.0'
   gem 'metadata-json-lint'
+  gem 'puppet-lint-param-docs'
   gem 'puppet-lint-absolute_classname-check'
   gem 'puppet-lint-absolute_template_path'
   gem 'puppet-lint-trailing_newline-check'

manifests/openstackclient.pp

@@ -4,7 +4,7 @@
 #
 # == Parameters
 #
-#  [package_ensure]
+#  [*package_ensure*]
 #    Ensure state of the openstackclient package.
 #    Optional. Defaults to 'present'.
 #