Fix rubocop and kitchen complaints (see full msg)

.rubocop.yml - AllCops/Excludes was renamed to AllCops/Exclude

Warning: Deprecated pattern style 'vendor/**' in .rubocop.yml. Change to 'vendor/**/*'.

metadata.rb:1:5: C: Put one space between the method name and the first argument.
name             'xml'
    ^^^^^^^^^^^^^
metadata.rb:2:11: C: Put one space between the method name and the first argument.
maintainer       'Opscode, Inc.'
          ^^^^^^^
metadata.rb:4:8: C: Put one space between the method name and the first argument.
license          'Apache 2.0'
       ^^^^^^^^^^
metadata.rb:5:12: C: Put one space between the method name and the first argument.
description      'Installs xml'
           ^^^^^^
metadata.rb:7:8: C: Put one space between the method name and the first argument.
version          '1.2.5'
       ^^^^^^^^^^
attributes/default.rb:24:32: C: %w-literals should be delimited by ( and )
  default['xml']['packages'] = %w[libxml2-devel libxslt-devel]
                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
attributes/default.rb:26:32: C: %w-literals should be delimited by ( and )
  default['xml']['packages'] = %w[libxml2-dev libxslt-dev]
                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
attributes/default.rb:28:32: C: %w-literals should be delimited by ( and )
  default['xml']['packages'] = %w[libxml2 libxslt]
                               ^^^^^^^^^^^^^^^^^^^

.rubocop.yml

@@ -1,6 +1,6 @@
 AllCops:
-  Excludes:
-    - vendor/**
+  Exclude:
+    - vendor/**/*
 
 AlignParameters:
   Enabled: false
@@ -12,3 +12,8 @@ LineLength:
   Enabled: false
 MethodLength:
   Max: 30
+#
+# we like our neatly-aligned code too much
+#
+SingleSpaceBeforeFirstArg:
+  Enabled: false

Gemfile

@@ -8,4 +8,5 @@ gem 'rubocop',    '~> 0.12'
 group :integration do
   gem 'test-kitchen',    '~> 1.0.0.beta'
   gem 'kitchen-vagrant', '~> 0.11'
+  gem 'vagrant-wrapper', '~> 1.2'
 end

attributes/default.rb

@@ -21,11 +21,11 @@
 
 case node['platform_family']
 when 'rhel', 'fedora', 'suse'
-  default['xml']['packages'] = %w[libxml2-devel libxslt-devel]
+  default['xml']['packages'] = %w(libxml2-devel libxslt-devel)
 when 'ubuntu', 'debian'
-  default['xml']['packages'] = %w[libxml2-dev libxslt-dev]
+  default['xml']['packages'] = %w(libxml2-dev libxslt-dev)
 when 'freebsd', 'arch'
-  default['xml']['packages'] = %w[libxml2 libxslt]
+  default['xml']['packages'] = %w(libxml2 libxslt)
 end
 
 default['xml']['nokogiri']['use_system_libraries'] = true