Replace DNS-based username lookups with HTTPS & drop utox.org support

src/name_lookup.h

@@ -0,0 +1,37 @@
+/*  name_lookup.h
+ *
+ *
+ *  Copyright (C) 2015 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic 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.
+ *
+ *  Toxic 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 Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef NAME_LOOKUP
+#define NAME_LOOKUP
+
+/* Initializes http based name lookups. Note: This function must be called only once before additional
+ * threads are spawned.
+ *
+ * Returns 0 on success.
+ * Returns -1 on failure.
+ */
+int name_lookup_init(void);
+void name_lookup_cleanup(void);
+
+int name_lookup(ToxWindow *self, Tox *m, const char *id_bin, const char *addr, const char *message);
+
+#endif /* NAME_LOOKUP */