Update on periodic task management

src/main/java/tmltranslator/TMLModeling.java

src/main/java/tmltranslator/TMLTask.java

src/main/java/ui/TGCAttributeBox.java

src/main/java/ui/ebrdd/EBRDDAttributeBox.java

src/main/java/ui/procsd/ProCSDComponent.java

src/main/java/ui/tmlcd/TMLAttributeBox.java

src/main/java/ui/tmlcompd/TMLCPrimitiveComponent.java

src/main/java/ui/tmlcompd/TMLCRecordComponent.java

src/main/java/ui/window/JDialogAttribute.java