changes:
tweak: "Auto-Hiss should no longer act on sign languages."
tweak: "Auto-Hiss should no longer act on Tajaran languages."
tweak: "Auto-Hiss should no longer act on Unathi languages."
tweak: "Examining an IPC no longer checks their non-existent pulse."
tweak: "You can no longer check the pulse of a species that does not have one."
bugfix: "Examining a human-type mob with robotic limbs no longer shows red examine text for each limb."
bugfix: "Examining a human-type mob now shows hunger level again."
bugfix: "The Ninja's self-destruct should actually kill the Ninja now."
bugfix: "You can no longer use sign language over radios."
Changes not in changelog:
Cleaned up the BST's code a bit.
BSTs now understand/speak the newly added languages
Added #define for languages that did not have them.
BSTs now understand/speak Vaurca Hivenet.
Slightly tweaked names/descriptions of BST items.
Fixed runtime from lawgivers overhearing speech from non-human mobs.
Fixes#1492Fixes#1500Fixes#1505
