Truncate court case names at 60 characters

Closes #553.
Add CORS support

Per #549.
Add missing semicolon

FFS
Rename sendJSONHeaders()

Closes #549.

It’s a day.
Halt APC functionality

Because PHP 5.5 sometimes incorrectly reports that APC is running, even
though it doesn’t *exist*, we just have to halt its use entirely, right
up front. Per #516.
Move API key cache into Memcached/Redis

The first of a handful of APC -> Memcached/Redis transitions, per #516.
Add Memcached / Redis support

Closes #263.
Code formatting change to fit style guide
Merge branch 'master' into edition-update