Allow grammar rules for party names, closes issue #12

Sample names generated:

Final: knights despite workers
Final: thunder with puppies
Final: terrors yet killers
Final: average foxes for justice
Final: ferrets from death
Final: terrors or peasants
Final: inquisitions within wizards
Final: infinite clear foxes in ferrets
Final: a couple of adorable trolls
Final: cute templars amid infinite death
Final: some humans
Final: some moronic templars
Final: a couple of time
Final: some excited kids upon a couple of bots
Final: foxes through dancers