brew-test-bot: cleanup junit file with iconv.
Revert "brew-test-bot: cleanup junit file with iconv."

This reverts commit 5e26584736b310c365d4b9cce99d0dced9a2d309.
ruby-build 20131008

Closes #23127.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
nginx 1.4.3

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
nginx: devel 1.5.6

Closes #23130.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
youyube-dl 2013.10.07

Closes #23129.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
lilypond devel 2.17.28

Closes #23121.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
flowgrind 0.6.1

Closes #22842.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gmp: fix build on libc++ / clang on 10.9

Fixes #21259.
brew-test-bot: use REXML to write JUnit file.
detect_cxx_stdlibs: Only detect for dylibs

Fixes #23115.
cfitsio: add mirror

Closes #23135.
guile: promote 2.0.9 to stable

We held back on 2.0 as stable way back in #5127 because lilypond didn't
work with it, but now everything in core works with guile 2.0.9.
texxmacs 1.0.7.20
doctor: avoid using MACOS_VERSION
Prefer interpolation to concatenation
Remove outdated comment
Remove unused variable