cairo: make glib recommended.
brew-test-bot: add devel/HEAD install options.
libxml2: fix caveats typo.
Formula: temporarily set PYTHONPATH.

Needs a less hacky fix but at least this will stop failing tests.
Move getting formula names from bottles to method.
Warn more about failing bottle version detection.

This is needed for local bottle installation and also possible when
detecting bottle versions from URLs.
brew-test-bot: only force fetch with --cleanup.
brew-test-bot: only install bottle if created OK.
wordnet: Fixed TCL/TK Errors

Closes #21188.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
sam2p: still fails with clang 425

Closes #21306.
upgrade: put exit statements in both conditional branches

This check was only occurring in one branch of the conditional.
As a result, if you ran `brew upgrade` with no args and there were no packages to upgrade,
the nonsensical message

"==> Upgrading 0 outdated package, with result:"

would be printed.

Closes #21316.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
freetds.rb: Enable support for building FreeTDS from HEAD (gitorious)

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
freetds.rb: Add test that calls tsql -C

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
freetds.rb: Enable support for building with --universal

Closes #21309.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
boost: enable single/multi/shared/static libs.

* Add option to disable single threading variant.
* Add option to disable static library variant.
* Drop unneeded "--with-system-layout" option.

Closes #21298.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
concurrencykit 0.2.20

Closes #21313.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
RethinkDB 1.7.2

Closes #21320.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
juise 0.5.6

Closes #21308.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libslax 0.16.15

Closes #21307.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
beansdb 0.6

Closes #21299.

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