Created MobSpawnerEntity class.
Merge branch 'master' into MobSpawner
Implemented mob spawner.
Merge branch 'master' into MobSpawner

Conflicts:
	src/MobSpawner.h
	src/Mobs/Monster.h
Fixed compile errors.
Added a MaxViewDistance option.
... in this world
Merge branch 'master' of https://github.com/mc-server/MCServer
Fixed an extra space.
Merge branch 'DoWithPlayerByUUID'
Noise3D CompoGen: Fixed missing initialization.
Added gratipay badge.
Travis badge uses master branch.
Noise3D generator: rewritten from scratch.

Now it uses three 3D and one 2D perlin noises to generate the terrain, and is highly parametrizable.
Noise3d Generator: Fixed unused function error.
Added BiomalNoise3D shape generator.
TallGrassGenerator: Fixed crash when too high
BiomalNoise3D: Added a few biomes.
Generator: Shape initial refactoring.

The code compiles, but several structure generators are broken, crash on start.
Fixed trailing whitespace.