Add missing Gemfile to the project

All our puppet projects rely on a Gemfile for tests
to run. This was missing, so add here as well.

Also fix the linter errors that this new Gemfile
addition is causing.

Change-Id: I24143df44c313ea76472649bb9a6fa0ce4536307

Gemfile

@@ -0,0 +1,31 @@
+source 'https://rubygems.org'
+
+group :development, :test do
+  gem 'puppetlabs_spec_helper', :require => false
+
+  gem 'metadata-json-lint'
+  # This is nice and all, but let's not worry about it until we've actually
+  # got puppet 4.x sorted
+  # gem 'puppet-lint-param-docs'
+  gem 'puppet-lint-absolute_classname-check'
+  gem 'puppet-lint-absolute_template_path'
+  gem 'puppet-lint-trailing_newline-check'
+
+  # Puppet 4.x related lint checks
+  gem 'puppet-lint-unquoted_string-check'
+  # Disable it because we use empty string checks
+  #gem 'puppet-lint-empty_string-check'
+  gem 'puppet-lint-leading_zero-check'
+  gem 'puppet-lint-variable_contains_upcase'
+  gem 'puppet-lint-spaceship_operator_without_tag-check'
+  gem 'puppet-lint-undef_in_function-check'
+
+  if puppetversion = ENV['PUPPET_GEM_VERSION']
+    gem 'puppet', puppetversion, :require => false
+  else
+    gem 'puppet', '~> 3.0', :require => false
+  end
+
+end
+
+# vim:ft=ruby

manifests/site.pp

@@ -3,14 +3,14 @@
 class etherpad_lite::site (
   $database_password,
   $etherpad_title,
-  $sessionKey    = '',
-  $dbType        = 'mysql',
+  $session_key   = '',
+  $db_type       = 'mysql',
   $database_user = 'eplite',
   $database_name = 'etherpad-lite',
   $database_host = 'localhost'
 ) {
 
-  include etherpad_lite
+  include ::etherpad_lite
 
   $base = $etherpad_lite::base_install_dir
 
@@ -39,7 +39,7 @@ class etherpad_lite::site (
     require => Class['etherpad_lite'],
   }
 
-  include logrotate
+  include ::logrotate
   logrotate::file { 'epliteerror':
     log     => "${base}/${etherpad_lite::ep_user}/error.log",
     options => [

templates/etherpad-lite_settings.json.erb

@@ -16,11 +16,11 @@
 
   // Session Key, used for reconnecting user sessions
   // Set this to a secure string at least 10 characters long.  Do not share this value.
-  "sessionKey" : "<%= @sessionKey %>",
+  "sessionKey" : "<%= @session_key %>",
 
   //The Type of the database. You can choose between dirty, sqlite and mysql
   //You should use mysql or sqlite for anything else than testing or development
-  "dbType" : "<%= @dbType %>",
+  "dbType" : "<%= @db_type %>",
   //the database specific settings
   "dbSettings" : {
                    "user"    : "<%= @database_user %>",