E1S4: forgot to add victory_when_enemies_defeated=no after refactoring
E1S4: forgot to set side 3 starting position. Also added some more flat terrains
Removed unused var
Turned the A_HERO_DEATHS macro into B_HERO_DEATHS, and created a new version of the former with death messages for Elynia and Niryone
Used B_HERO_DEATHS
Corrected spelling of Troll Whelp and tweaked troll sighted dialog line
E1S4: limit number of Troll side 3 can recruit to 2