Add DLC guard to Cutscene

Fix item file getting initialized incorrectly

Temp fix for unexpectedly large view distances in europe.mbd

Move HashFs namespace into separate project

Xmldoc

Add missing de/serialization for edge/variant overrides

Fix terrain quad properties

- wasn't deserializied at all (oops)
- fix handling of byte 4, which is split into two parts
   rather than being a single value as I previously assumed
- fix QuadVegetation enum accordingly

Fix arrays with holes