ENV/shared: handle untapped e.g. gcc48 formula.

In this case we need to handle the throwing on an exception when
attempting to initialize the gcc48 Formula object.

This initialization should be unnecessary if the core GCC is already
installed and rescued if not.
xulrunner 29.0 (devel 30.0b1)
xulrunner: update 29.0 bottle.

Closes #28825.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
brew-test-bot: handle failing devel requirements.
Superenv: determine_optflags should return a string

This is saved in HOMEBREW_OPTFLAGS and later mutated by
ENV.universal_binary, so if this returns nil the sub will fail.
uade: add new HEAD resource

bencode-tools isn't well-known or used enough to justify its own
formula at this point in time, but it's a dependency for the HEAD
version of UADE.
sbt: fix typo

Closes #28851.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
mpd 0.18.10

Closes #28853.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
qt: disable SSSE3 again.

Closes #28859.
kafka 0.8.1.1

update kafka to latest version

Closes #28865.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
mruby: install includes
mruby: update 1.0.0 bottle.

Closes #28835.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
tig 2.0.1

tig: 2.0.1

Closes #28856.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
crash --devel 1.3.0-beta17

Closes #28868.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
awscli 1.3.8

Closes #28867.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
pngcrush: fix download URL

Fixes #28860.
Closes #28861.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
plt-racket: fix man
putty: fix audit
ode: add enable-libccd option

Closes #28854.

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