GSI V1b

- Fixed player data: survival instead of creative, keep inventory off, etc.

GenStructuresImproved V1

- Minas Tirith overhauled
- Minor improvements in central Osgiliath; removed many server RP/player references
- Made improvements to Meduseld; removed spawners from Edoras
- Added a door to Orthanc and made minor changes to the interior
- Set world spawn to Waymeet, or -320 72 448