Merge pull request #73 from Wenzel/fix_mod_mpm

fix apache-restart ID in apache/mod_mpm according to apache/init.sls

apache/mod_mpm.sls

     - require:
       - pkg: apache
     - watch_in:
-      - module: apache_restart
+      - module: apache-restart
   file.managed:
     - name: /etc/apache2/mods-available/{{ mpm_module }}.conf
     - template: jinja
     - require:
       - pkg: apache
     - watch_in:
-      - module: apache_restart
+      - module: apache-restart
 
 # Deactivate the other mpm modules as a previous step
 {% for mod in ['mpm_prefork', 'mpm_worker', 'mpm_event'] if not mod == mpm_module %}
     - require_in:
       - cmd: a2enmod {{ mpm_module }}
     - watch_in:
-      - module: apache_restart
+      - module: apache-restart
 {% endfor %}
 
 {% endif %}