Merge pull request #111 from rmeleromira/patch-1

Adds ability to set mtu in reclass

linux/network/interface.sls

@@ -122,6 +122,9 @@ linux_interface_{{ interface_name }}:
   - enabled: {{ interface.enabled }}
   - name: {{ interface_name }}
   - type: {{ interface.type }}
+  {% if interface.mtu is defined %}
+  - mtu: {{ interface.mtu }}
+  {% endif %}
   {%- if interface.address is defined %}
   {%- if grains.os_family == 'Debian' %}
   - proto: {{ interface.get('proto', 'static') }}