Added stanza module for basic stanza handling

To reduce duplication in jabber module

src/stanza.h

@@ -0,0 +1,31 @@
+/*
+ * stanza.h
+ *
+ * Copyright (C) 2012 James Booth <boothj5@gmail.com>
+ *
+ * This file is part of Profanity.
+ *
+ * Profanity 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Profanity is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Profanity.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef STANZA_H
+#define STANZA_H
+
+#include <strophe.h>
+
+xmpp_stanza_t* stanza_create_chat_state(xmpp_ctx_t *ctx,
+    const char * const recipient, const char * const state);
+
+#endif