cairo: Fix FTBFS with GCC 4.9.

https://bugs.freedesktop.org/show_bug.cgi?id=77060
xorg: New libXext upstream release fixing security issues (CVE-2013-1982).

This new release requires libX11 >= 1.6.0 so update libX11 as well.
apache: Do not use download mirrors, instead use ASF archives.

The URL becomes unavailable on mirrors as soon as a new version is released.
libtiff: Apply security patches.
mariadb: Disable TokuDB until build issue with GCC 4.9 has been fixed.

https://mariadb.atlassian.net/browse/MDEV-6449
glibmm: glib-compile-schemas is required during the build.
jasper: Apply security patches from Debian package.
imagemagick: The previous mirror URL only provided latest ImageMagick releases.
pil-python: Fix FTBFS due to freetype includes not being found.
python-2.7: Add support for TLS SNI (Server Name Indication) extension.

Some HTTP servers do not accept SSL connections without SNI (for example
cloud.github.com).