emscripten 1.16.0 (new formula)

Closes #28417.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
emscripten: add 1.16.0 bottle.
emscripten: cleanup formula.
arangodb 2.1.1
arangodb: update 2.1.1 bottle.

Closes #29955.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
x264: fix SHA1 for stable and master branch

Fixes #29829.
x264: update r2412 bottle.

Closes #29957.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
plotutils: add optional X11 support

Closes #29951.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
Update build error config dump for Ruby 2.0
metafiles: reduce pathname conversions in #include?
metafiles: extract constant arrays
metafiles: remove unused method
metafiles: combine #should_copy? and #include?
Eliminate FORMULA_META_FILES constant
Simplify Pathname#install_metafiles
PyPy 2.3.1

Closes #29966.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
metafiles: simplify #copy? further
imap-uw: add mirror

Closes #29968.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
mercurial 3.0.1

Closes #29969.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
nginx devel 1.7.1

Closes #29972.

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