Merge pull request #54 from webplatform/master

Installing nginx on Ubuntu/Debian fails, missing map property

nginx/map.jinja

 {% set nginx = salt['grains.filter_by']({
     'Debian': {
         'apache_utils': 'apache2-utils',
+        'package': 'nginx-full'
     },
     'RedHat': {
         'apache_utils': 'httpd-tools',
     },
-}, merge=salt['pillar.get']('nginx:lookup')) %}
+}, merge=salt['pillar.get']('nginx:lookup')) %}