Adding new commands to JURASSIC compiler

...in/java/tmltranslator/mutations/AddAttributeMutation.java

src/main/java/tmltranslator/mutations/AddTaskMutation.java

src/main/java/tmltranslator/mutations/CloneTaskMutation.java

...ava/tmltranslator/mutations/DiplodocusMutationParser.java

src/main/java/tmltranslator/mutations/TaskMutation.java