* Added a two config options which allows you to disable the AI and Cyborgs from being able to vocally speak, except for AIs using the holopad.
 * Added a new proc called IsVocal(). Only used by the new system so far but it will allow you to use it to stop mobs from being vocal.
 * Made miming use IsVocal()
 * Minor: Defined "viruses" as a list.
 * Updating changelog.
 * Updated to latest version.
 * Defaulted the config to disable non-vocal AI/Borgs.
Merge pull request #331 from Giacomand/silentBorgAI

Non-Vocal AIs and Cyborgs configuration option.