libstrophe: use ENV.cflags.to_s.

This will stop this blowing up if `test do` is ever moved to superenv.

Do the opposite of #31446.

Closes #31446.
nginx: tell people about the tap.

As noted from e.g. #31270.
typesafe-activator 1.2.8

Update typesafe-activator to 1.2.8

Closes #31766.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
expat: mark as keg-only
New formula: libtins

Closes #31399.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libtins: add 3.0 bottle.
New formula: codequery v0.15a

Closes #31565.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
codequery: add 0.15a bottle.
youtube-dl 2014.08.21.3

Closes #31765.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
youtube-dl: update 2014.08.21.3 bottle.
wtf: fix audit warning
Fix false positive audit warning
bind: add HEAD

Closes #31771.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
poppler 0.26.4

Closes #31788.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
poppler: update 0.26.4 bottle.
clhep 2.2.0.3
clhep: update 2.2.0.3 bottle.

Closes #31782.
yaz 5.4.1
yaz: update 5.4.1 bottle.

Closes #31783.
pazpar2 1.7.2