Switch commoncpp2 to ucommon to solve dependency conflicts.

libccrtp was depending on commoncpp2, and have been replaced by a version
depending on ucommon as well.
diff --git a/jni/libucommon/sources/nossl/sstream.cpp b/jni/libucommon/sources/nossl/sstream.cpp
new file mode 100644
index 0000000..1e9f88b
--- /dev/null
+++ b/jni/libucommon/sources/nossl/sstream.cpp
@@ -0,0 +1,83 @@
+// Copyright (C) 2010 David Sugar, Tycho Softworks.
+//
+// This file is part of GNU uCommon C++.
+//
+// GNU uCommon C++ is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU uCommon C++ 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with GNU uCommon C++.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "local.h"
+
+#if defined(OLD_STDCPP) || defined(NEW_STDCPP)
+
+sstream::sstream(secure::client_t context) :
+tcpstream()
+{
+    ssl = NULL;
+    bio = NULL;
+    server = false;
+}
+
+sstream::sstream(const TCPServer *tcp, secure::server_t context, size_t size) :
+tcpstream(tcp, size)
+{
+    ssl = NULL;
+    bio = NULL;
+    server = true;
+}
+
+sstream::~sstream()
+{
+}
+
+void sstream::open(const char *host, const char *service, size_t bufsize)
+{
+    if(server)
+        return;
+
+    tcpstream::open(host, service, bufsize);
+}
+
+void sstream::close(void)
+{
+    if(server)
+        return;
+
+    tcpstream::close();
+}
+
+void sstream::release(void)
+{
+    tcpstream::close();
+}
+
+ssize_t sstream::_write(const char *address, size_t size)
+{
+    return tcpstream::_write(address, size);
+}
+
+ssize_t sstream::_read(char *address, size_t size)
+{
+    return tcpstream::_read(address, size);
+}
+
+bool sstream::_wait(void)
+{
+    return tcpstream::_wait();
+}
+
+int sstream::sync()
+{
+    return tcpstream::sync();
+}
+
+#endif