Added support for mod_include for SSI

apache/manifests/init.pp

@@ -392,6 +392,21 @@ class apache::mod::authnz_ldap {
 
 }
 
+# Install mod_include
+#
+class apache::mod::include {
+
+    case $operatingsystem {
+        debian,ubuntu: {
+            apache::debian::a2enmod { "include": }
+        }
+        centos,fedora: { }
+        default: {
+            fail("Apache module not supported in ${operatingsystem}.")
+        }
+    }
+
+}
 
 # Install mod_fcgid.
 #