Log Message:
Updated libebml to 1.3.4.

2016-07-02  Moritz Bunkus  <moritz@bunkus.org>

        * Released v1.3.4.

2015-11-21  Moritz Bunkus  <moritz@bunkus.org>

        * EbmlVersion.cpp: in order to enable deterministic builds the
        EbmlCodeDate variable has been set to "Unknown" instead of the
        date and time of compilation. Patch by Ed Schouten <ed@nuxi.nl>.

2015-11-18  Moritz Bunkus  <moritz@bunkus.org>

        * libebml_t.h: use C99-style integer typedefs instead of BSD-style
        ones. Patch by Ed Schouten <ed@nuxi.nl>.

2015-10-24  Moritz Bunkus  <moritz@bunkus.org>

        * EbmlBinary.h: add #include <cstdlib> for compilation with clang
        and libc++. Patch by Thomas Klausner <wiz@NetBSD.org>.