Multiple minor map changes

- Moved Edron dragon lair (fire axe part) to correct coordinates
- added missing corpse to the chest (fire axe room)
- added text to scroll in Ab'Dendriel cave
- cleaned corpses in Ab'Dendriel cave
- added missing book in chest (Ab'Dendriel)
- adjusted some Fibula signs slightly (at entrance and shop)
- added missing floor in Outlaw Camp
- removed tracking bugs in Outlaw Camp
- updated wall / pillar in Outlaw Camp
- added missing text on sign in Outlaw Camp
- removed / added some generic items in different places
- added correct text to Thais bridge sign