refactored base jastadd model of gen

src/main/jastadd/gen/Package.jadd

src/main/jastadd/gen/Package.relast

src/main/jastadd/gen/PackageNav.jadd

...den/inf/st/pnml/gen/builders/PackageStructureBuilder.java

...java/de/tudresden/inf/st/pnml/gen/data/MapperContext.java

...in/java/de/tudresden/inf/st/pnml/gen/data/MapperInfo.java

...java/de/tudresden/inf/st/pnml/gen/data/ServerContext.java

...in/java/de/tudresden/inf/st/pnml/gen/data/ServerInfo.java

.../de/tudresden/inf/st/pnml/gen/data/SubscriberContext.java

...ava/de/tudresden/inf/st/pnml/gen/data/SubscriberInfo.java

...udresden/inf/st/pnml/gen/generators/JavaClassGenUtil.java

src/main/resources/mustache/JavaCallbackMapper.mustache

src/main/resources/mustache/JavaServer.mustache

src/main/resources/mustache/JavaSubscriber.mustache

src/main/resources/mustache/JavaToken.mustache

src/main/resources/static/AbstractDinerosServer

src/main/resources/static/AbstractDinerosSubscriber

src/main/resources/static/AbstractNetCallback