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libccrtp was depending on commoncpp2, and have been replaced by a version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/commoncpp-config.cmake b/jni/libucommon/sources/commoncpp-config.cmake
new file mode 100755
index 0000000..18aea99
--- /dev/null
+++ b/jni/libucommon/sources/commoncpp-config.cmake
@@ -0,0 +1,107 @@
+#!/bin/sh
+# Copyright (C) 2006-2007 David Sugar, Tycho Softworks.
+#
+# This file is free software; as a special exception the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+prefix=${CMAKE_INSTALL_PREFIX}
+exec_prefix=${CMAKE_INSTALL_PREFIX}/bin
+includedir=${CMAKE_INSTALL_PREFIX}/include
+libdir=${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}
+
+usage()
+{
+    cat <<EOF
+Usage: commoncpp-config [OPTION]
+
+Known values for OPTION are:
+
+  --prefix=DIR      change ucommon prefix [default $prefix]
+  --exec-prefix=DIR change ucommon exec prefix [default $exec_prefix]
+  --libs        print library linking information
+  --cflags      print pre-processor and compiler flags
+  --includes    print framework include directory
+  --plugins     print framework plugin directory
+  --help        display this help and exit
+  --version     output version information
+EOF
+
+    exit $1
+}
+
+if test $# -eq 0; then
+    usage 1
+fi
+
+cflags=false
+libs=false
+
+while test $# -gt 0; do
+    case "$1" in
+    -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
+    *) optarg= ;;
+    esac
+
+    case "$1" in
+    --prefix=*)
+        prefix=$optarg
+        includedir=$prefix/include
+        libdir=$prefix/lib
+        ;;
+
+    --prefix)
+        echo $prefix
+        ;;
+
+    --exec-prefix=*)
+        exec_prefix=$optarg
+        libdir=$exec_prefix/lib
+        ;;
+
+    --exec-prefix)
+        echo $exec_prefix
+        ;;
+
+    --version)
+        echo ${PACKAGE_FILE_VERSION}
+        exit 0
+        ;;
+
+    --help)
+        usage 0
+        ;;
+
+    --cflags)
+        echo ${PACKAGE_FLAGS}
+        ;;
+
+    --libtool-libs)
+        if [ -r ${libdir}/libcommoncpp.la ]
+        then
+            echo ${libdir}/libcommoncpp.la
+        fi
+        ;;
+
+    --libs)
+        echo -lcommoncpp -lucommon ${PACKAGE_LIBS}
+        ;;
+
+    --includes)
+        echo ${CMAKE_INSTALL_PREFIX}/include
+        ;;
+
+    *)
+        usage
+        exit 1
+        ;;
+
+    esac
+    shift
+done
+
+exit 0