Merge pull request #3 from Amarcolina/master

Fixed several bugs in generation and drawing
Merge https://github.com/LochNeffMonster/DinoSwarms
Merge https://github.com/Amarcolina/DinoSwarms
Merge https://github.com/Amarcolina/DinoSwarms
Merge pull request #5 from mentatzoe/master

New class DirtBaseGenerationLayer + tests
Merge pull request #6 from mentatzoe/master

Modified beach generation
Merge https://github.com/Amarcolina/DinoSwarms
Created grass biome in DinoSwarms.as
Created general biome layer

deleted grass layer, created general biome layer
Merge pull request #7 from neonbluecow/master

Created Grass Biome