work on integration of gen, templates and static files

build.gradle

src/main/jastadd/gen/Package.jadd

src/main/jastadd/gen/Package.relast

src/main/jastadd/gen/PackageNav.jadd

src/main/java/de/tudresden/inf/st/pnml/gen/Main.java

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

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

src/main/java/de/tudresden/inf/st/pnml/gen/json/NetInfo.java

src/main/resources/static/AbstractDinerosServer

src/main/resources/static/AbstractDinerosSubscriber

src/main/resources/static/AbstractNetCallback