bump some versions.

libpng 1.5.14 to 1.5.18
libvpx 1.3.0 to git
libdvdread 4.2.1-rc2 to 4.9.9
libdvdnav 4.2.1-rc2 to 4.2.1
libogg 1.3.0 to 1.3.1
libvoribs 1.3.3 to 1.3.4
orc 0.4.16 to 0.4.18
libbluray 0.2.3 to 0.5.0
gnutls 3.2.5 to 3.2.14
xvidcore 1.3.2 to 1.3.3
**fontconfig 2.10.95 to 2.11.1**
**freetype 2.4.10 to 2.5.3**
openssl 1.0.1e to 1.0.1g
vo-aacenc 0.1.2 to 0.1.3
libmodplug 0.8.8.4 to 0.8.8.5

enabled x265 again