Update KEYS to match regex special characters as literal

MockRedis was incorrectly handling certain regex characters in key
names.

Change-Id: I68e6c40908ea637c1bc2e2117f23355a90778d90
Reviewed-on: http://gerrit.causes.com/37737
Reviewed-by: Shane da Silva <shane@causes.com>
Tested-by: Shane da Silva <shane@causes.com>
Update changelog with regex character literal fix

Change-Id: Ie5854e0eb61f38fb0a1f62f9e8179b50548256f7
Reviewed-on: http://gerrit.causes.com/37738
Reviewed-by: Shane da Silva <shane@causes.com>
Tested-by: Shane da Silva <shane@causes.com>