Revert "Merge branch 'alessandro_branch' into 'master'"

doc/avatarmodelchecker/Makefile

doc/avatarmodelchecker/images/image1.png

doc/avatarmodelchecker/ttool_avatarmodelchecker.tex

src/main/java/avatartranslator/AvatarActionAssignment.java

src/main/java/avatartranslator/AvatarActionOnSignal.java

src/main/java/avatartranslator/AvatarBlock.java

...main/java/avatartranslator/AvatarExpressionAttribute.java

src/main/java/avatartranslator/AvatarExpressionSolver.java

src/main/java/avatartranslator/AvatarSpecification.java

src/main/java/avatartranslator/AvatarTransition.java

...ava/avatartranslator/modelchecker/AvatarModelChecker.java

...in/java/avatartranslator/modelchecker/SafetyProperty.java

.../avatartranslator/modelchecker/SpecificationLiveness.java

...tartranslator/modelchecker/SpecificationReachability.java

...ranslator/modelchecker/SpecificationReachabilityType.java

...ava/avatartranslator/modelchecker/SpecificationState.java

...vatartranslator/modelchecker/SpecificationTransition.java

...anslator/modelcheckervalidator/ModelCheckerValidator.java

src/main/java/cli/Action.java

src/main/java/ui/window/JDialogAvatarModelChecker.java