Some minor corrections

src/example/randomants/Ant.java

src/example/randomants/AntHill.java

src/mas/core/Agent.java

src/mas/core/Cyclable.java

src/mas/core/Schedulable.java

src/mas/environment/TwoDContinuosGrid.java

src/mas/implementation/schedulers/AsyncCycling.java

src/mas/implementation/schedulers/FairPosCycling.java

...implementation/schedulers/PausableThreadPoolExecutor.java

...mplementation/schedulers/variations/ThreeStepCycling.java

...mas/implementation/schedulers/variations/TwoDCycling.java