added calculation of density

pom.xml

src/main/java/agents/Agent.java

src/main/java/agents/RandomWalkingAgent3P.java

src/main/java/agents/seirs/CyclicSEIRSAgent.java

src/main/java/agents/seirs/FairInfectionRWAgent.java

src/main/java/agents/seirs/FairInfectionRWAgent3P.java

src/main/java/agents/seirs/FairInfectionRWAgentCyclic.java

src/main/java/agents/seirs/RandomWakingAgent.java

src/main/java/agents/seirs/RandomWalkingAgentCyclic.java

src/main/java/agents/states/ExposedSEIRSState.java

src/main/java/agents/states/InfectedSEIRSState.java

src/main/java/agents/states/RecoveredSEIRSState.java

src/main/java/agents/states/SuceptibleSEIRSState.java

src/main/java/environment/ChunkedSEIRSEnvironment.java

src/main/java/environment/SEIRSEnvironment.java

...ain/java/environment/WrappingChunkedSEIRSEnvironment.java

src/main/java/sma/SEIRS_SMA.java

src/main/resources/output.png

src/main/resources/parameters.yaml