MEDIUM: Add parsing of mailers section

As mailer and mailers structures and allow parsing of
a mailers section into those structures.

These structures will subsequently be freed as it is
not yet possible to use reference them in the configuration.

Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/src/mailers.c b/src/mailers.c
new file mode 100644
index 0000000..4335453
--- /dev/null
+++ b/src/mailers.c
@@ -0,0 +1,17 @@
+/*
+ * Mailer management.
+ *
+ * Copyright 2015 Horms Solutions Ltd, Simon Horman <horms@verge.net.au>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <stdlib.h>
+
+#include <types/mailers.h>
+
+struct mailers *mailers = NULL;