Consume response from memcached server.

Summary: This test is (sometimes?) failing on travis.
Consume the response when writing the key and make sure
it is 'STORED' as expected, output error if not.

Reviewed By: @JoelMarcey

Differential Revision: D1393317
Do not decode arbitrary numeric entities when (all == false)

Summary: htmlspecialchars_decode() should only decode numeric entities
for its supported entities and then only when requested.

Closes #2966

Reviewed By: @fredemmott

Differential Revision: D1388408
Clownlist reactphp test

Summary: found via https://gist.github.com/fredemmott/cf169e952163a7effcbe

Reviewed By: @JoelMarcey

Differential Revision: D1393750