pgexternaltable - src: add dir include and libs

Log Message:
-----------
add dir include and libs

Added Files:
-----------
    src/externaltable/include:
        hdfs.h (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/include/hdfs.h?rev=1.1&content-type=text/x-cvsweb-markup)
        hdfsJniHelper.h (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/include/hdfsJniHelper.h?rev=1.1&content-type=text/x-cvsweb-markup)
    src/externaltable/libs:
        libhadooppipes.a (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhadooppipes.a?rev=1.1&content-type=text/x-cvsweb-markup)
        libhadooputils.a (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhadooputils.a?rev=1.1&content-type=text/x-cvsweb-markup)
        libhdfs.la (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhdfs.la?rev=1.1&content-type=text/x-cvsweb-markup)
        libhdfs.so (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhdfs.so?rev=1.1&content-type=text/x-cvsweb-markup)
        libhdfs.so.0 (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhdfs.so.0?rev=1.1&content-type=text/x-cvsweb-markup)
        libhdfs.so.0.0.0 (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgexternaltable/src/externaltable/libs/libhdfs.so.0.0.0?rev=1.1&content-type=text/x-cvsweb-markup)