Clean up the docs for SimpleImpl (#205)
Clean up the docs for SimpleImpl (#205)

* Mentioning the  for SimpleImpl

* Mentioning the fact that EntityPlayer(s) won't track themselves

* Clean up simpleimpl.md

- `sendToAllAround` actually searches a spherical range, not cubic range.
- `world.provider.dimensionID` -> `world.provider.getDimension()`
- Warn about the interchangability between two overrides of `sendToAllTracking`,
  i.e. they are NOT interchangeable. Choose one based on actual situation.
- Give a solution for syncing the `EntityPlayer` itself if that is used as
  target of `sendToAllTracking`

* 2650 is like 100+ versions old from the latest, and ~90 versions from recommended... nuke the version warning.

* Grammar

PaleoCrafter/Documentation,tterrag1098/Documentation,MinecraftForge/Documentation