Move namespaces to namespaces.h and add missing files to Xcode project.

src/namespaces.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2011, Jonathan Schleifer <js@webkeks.org>
+ *
+ * https://webkeks.org/hg/objxmpp/
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define XMPP_NS_BIND @"urn:ietf:params:xml:ns:xmpp-bind"
+#define XMPP_NS_CLIENT @"jabber:client"
+#define XMPP_NS_ROSTER @"jabber:iq:roster"
+#define XMPP_NS_SASL @"urn:ietf:params:xml:ns:xmpp-sasl"
+#define XMPP_NS_STARTTLS @"urn:ietf:params:xml:ns:xmpp-tls"
+#define XMPP_NS_STANZAS @"urn:ietf:params:xml:ns:xmpp-stanzas"
+#define XMPP_NS_SESSION @"urn:ietf:params:xml:ns:xmpp-session"
+#define XMPP_NS_XMPP_STREAM @"urn:ietf:params:xml:ns:xmpp-streams"
+#define XMPP_NS_STREAM @"http://etherx.jabber.org/streams"