Restructuring the quests saved in TMW_Quest: Convert Bernard and Mikhail to new variables.

The variable was also used in Kylian, so that script needed changes too.
Restructuring the quests saved in TMW_Quest: Convert Sarah to new variables.
Restructuring the quests saved in TMW_Quest: Convert Vincent to new variables.
Restructuring the quests saved in TMW_Quest: Convert Sandra to new variables.
Restructuring the quests saved in TMW_Quest: Convert NPCs on 002-1 to new variables.
Restructuring the quests saved in TMW_Quest: Convert NPCs on 002-3 to new variables.
Restructuring the quests saved in TMW_Quest: Convert NPCs on 002-4 to new variables.
Restructuring the quests saved in TMW_Quest: Convert gossip to new variables.
Restructuring the quests saved in TMW_Quest: Convert Bandit quest NPCs to new variables.