riak 1.4.8

Closes #27333.
swi-prolog 6.6.2/devel 7.1.9

Closes #27334.
plt-racket: a test

Closes #27318.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
remove brew info --all

Closes #27322.
pebble-sdk 2.0.1

Closes #26873.

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