Rename RabbitsGrassSimulationAgent to RabbitsGrassSimulationAgent.java
Rename RabbitsGrassSimulationModel to RabbitsGrassSimulationModel.java
Rename RabbitsGrassSimulationSpace to RabbitsGrassSimulationSpace.java
Merge pull request #1 from chchiou/Yilin

Merged to Chiu
Merge pull request #2 from chchiou/master

Let's merge!