texLive-linkdir: work around a failure

It often failed since 3c6efec2c09, i.e. #4453.
Now it should "work" the same as before.

CC @7c6f434c, maybe?
nginx: fix build by not attempting to use a patch

It failed since 3c6efec2c09, i.e. #4453.
Now it should "work" the same as before.

CC maintainers: @thoughtpolice & @7c6f434c.
ucommon: update

I couldn't reproduce the test failure with either version:
http://hydra.nixos.org/build/15982469/nixlog/1/tail-reload
nixos: fix two pipefail problems

It failed since 3c6efec2c09, i.e. #4453.
Now it should "work" the same as before.
cairo: major update 1.12.* -> 1.14.0

ABI diff only suggest that one enum value got updated,
which should be fine for us.
http://upstream-tracker.org/compat_reports/cairo/1.12.16_to_1.14.0/abi_compat_report.html#Low_Risk_Problems
gtk2: bugfix update
glib: feature update 2.40.* -> 2.42.0

http://upstream-tracker.org/ looks good enough, and so do the NEWS.
mesa: bugfix update

I'm still having some problems with 10.3.1 compilation.
xorg: updates some modules; mostly minor changes
libdrm: update
libiconv: update to 1.14 (close #4419)
gstreamer-1: maintenance updates of all
libevdev: small update
eaglemode: fix build

It failed since 3c6efec2c09, i.e. #4453. Now it should "work" the same as before.
CC @viric.
pygame: fix build by disregarding some errors

It failed since 3c6efec2c09, i.e. #4453. Now it should "work" the same as before.
fontconfig: update 2.10.2 -> 2.11.1. Closes #2050
add an upstream bugfix
add missing parameter
sqlite: Update to 3.8.6

(cherry picked from commit 127f5f10562bb1124a242f27f3596082afb42735)
pango: big update; it was waiting on fontconfig-2.11