Adding algo for tag handling and graph reduction

...n/java/avatartranslator/AvatarCompactDependencyGraph.java

src/main/java/avatartranslator/AvatarDependencyGraph.java

src/main/java/cli/Action.java

src/main/java/common/Tags.java

src/main/java/graph/AUTGraph.java

src/main/java/graph/AUTTransition.java