Upgrade aws-cli and dependencies
Update DISTRHO: audio effects and plugins
squid: build without -Werror to fix build on GCC 4.8.x
aterm-2.8: add comment about build failures with gcc 4.8.x
bup: update to version 0.25-rc1-107-g96c6fa2 and drop -Werror to fix the build

  /nix/store/4jfqcb4mzh3vl08zgfh9ir46jii7rcb9-python-2.7.3/include/python2.7/modsupport.h:27:1: error: 'PyArg_ParseTuple' is an unrecognized format function type [-Werror=format=]
   PyAPI_FUNC(int) PyArg_ParseTuple(PyObject *, const char *, ...) Py_FORMAT_PARSETUPLE(PyArg_ParseTuple, 2, 3);
   ^
  cc1: all warnings being treated as errors
libgdiplus: fix download URL for 'libgdiplus-2.10.1-libpng15.patch'
flac: update download URL for build fix patch
release-small.nix: switch Emacs 23 to 24
release-small.nix: drop the Emacs 23.x packages from this file

Most of these packages are very old and don't compile in 'master' to
begin with, so it's probably not necessary to use them for testing the
stdenv-updates branch.
grub: fix download URL for grub-0.97-once.patch
elfutils: disable -Werror to fix the build

  nm.c: In function 'show_symbols_sysv':
  nm.c:773:27: error: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Werror=sizeof-pointer-memaccess]
      snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]",
                             ^
  cc1: all warnings being treated as errors
iproute: don't compile with -Werror

  lnstat.c:169:30: error: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to provide an explicit length? [-Werror=sizeof-pointer-memaccess]
     memset(th.hdr[i], 0, sizeof(th.hdr[i]));
                                ^
  cc1: all warnings being treated as errors
  make[1]: *** [lnstat.o] Error 1
httpie: the build input 'requests014' doesn't exist anymore, it's now called 'requests'
httpie: update to version 0.4.1 to fix the build
vlc: enable support for the opus codec
taskwarrior: Update to version 2.2.0.

This update roughly includes the following changes:

 * Spanish es-ES translation
 * New configuration option: print.empty.columns
 * Much improved Asian character support
 * More virtual tags
 * Improved bash completion
 * Task modification time
 * Stats show blocked and blocking tasks
 * New 'blocking' report
 * Additional color rules
 * New helper commands for third-party tools
 * 'columns' command searchable
 * New date shortcuts 'socm' and 'eocm'
 * Improved push/pull messages

For a full list of changes, please head over to:

http://taskwarrior.org/projects/taskwarrior/wiki/Changelog

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
chromium: Update beta and dev channels.

beta: 26.0.1410.43 -> 27.0.1453.15 (builds fine and tested)
dev:  27.0.1448.0  -> 27.0.1453.12 (builds fine and tested)

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
mono: update to 2.11.4

Just to have a newer version.
pinta: updating it. It works now.
meld: update to 1.6.1