RabbitMQ 3.1.4 with fixed SSL

Fixes #21226.
Closes #21727.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
ruby-install 0.3.0

Closes #21726.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
google_appengine 1.8.3

Closes #21723.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
scala: Use opt_prefix for caveat

Closes #21722.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
LMDB 2.4.35

LMDB is an ultra-fast, ultra-compact key-value data store developed by Symas for the OpenLDAP Project.

Closes #21677.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
pcre++: use opt prefix
watchman 2.8.2

Closes #21611.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
czmq: add HEAD option

Closes #21730.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
czmq: style nits
class-dump: remove skip-clean
cmus: remove skip_clean
znc: remove skip_clean
open-mpi: still fails check with clang 425

Closes #21701
chromedriver 2.2

Closes #21743.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
glib 2.36.4
pixman 0.30.2
gpgme 1.4.2
cmake: Added --HEAD
python_helper prepends PYTHONPATH

…instead of appending. This should be safer against any
malformed user-defined values in the PYTHONPATH.
For brewed python, make sure to unset the PYTHONPATH

during building of python software inside of a `python do … end` block.