Update 31: Supply system. Artillery & Bug fixes. — Vietnam War Steam update #776283

Supply system: * Both factions now have stats for supply % in province and nationwide (see Tab screen). * The supply situation will affect troop spawns, vehicle respawn rates, artillery downtime between salvos, etc. * V.C. supplies can be reduced by destroying bicycle troops (porters), trucks, various vehicles, boats, big supply crates etc.. * U.S. supplies can be reduced by destroying trucks, chinooks, various vehicles, ATC boats, oil drums, big supply crates, etc. * Every day at noon, provincial supplies are replenished to a degree set by amount of nationwide supplies available. Half of V.C. replenished supplies are directly affected by the average loyalty of villages in the province. * Porter squad has been added. When they complete a supply run to another base, it adds extra supplies to that province. * New stats for destroyed supplies and achievements for 100 destroyed supplies. Art...