Update on attack trees management: syntax checking

Makefile

modeling/CoffeeMachine_Avatar.xml

src/attacktrees/ANDNode.java

src/attacktrees/AfterNode.java

src/attacktrees/Attack.java

src/attacktrees/AttackNode.java

src/attacktrees/AttackTree.java

src/attacktrees/BeforeNode.java

src/attacktrees/BooleanNode.java

src/attacktrees/ORNode.java

src/attacktrees/SequenceNode.java

src/attacktrees/TimeNode.java

src/tmltranslator/TMLActivity.java

src/tmltranslator/TMLActivityElement.java

src/tmltranslator/TMLForLoop.java

src/tmltranslator/TMLModeling.java

src/tmltranslator/TMLTask.java

src/ui/AttackTreePanelTranslator.java

src/ui/AvatarDesignPanelTranslator.java

src/ui/GTURTLEModeling.java