* MapInit v1, so people can criticize my code.
* Map init v1.
* Improve LocalPlayer to fix aghosting.
* Fix map saving.
* Map command improvements:
Implement loadbp
Made certain commands aware of uninitialized maps.
* Adds IMapManager.GetAllGrids()
* Add lsgrid and lsmap commands.
* MetaData component serialization fixes.
Serialize name and description default as null.
Don't serialize prototype.
* Explicit UID indices in map files.
* Update map format doc again.
* Refactor tile IDs.
Tile IDs are now automatically assigned at runtime.
A mapping is also stored in map files to avoid compatibility issues.
Also removed tile prototypes. Content is now responsible for it.
This is so content can define its own data for tiles.
* Update map format specification.
* Fix tile placement.
* Remove `LoadParameters`
* Significantly refactor `EntitySerializer` to be better, no longer specific to entities.
* `IExposeData` so sub objects can be deserialized.
* Map format is now standardized & good.
* Entity and grid references inside map files now cross referenced and resolved correctly. Fixes#524
* Prototype data caching to speed up prototype instantiation.
