Harmonized dependency group ids. Adapted code to changes in
AppBaseForVaadin.
Merge remote-tracking branch 'origin/master'

Conflicts:
	all-in-one-demo/src/main/java/de/oio/vaadin/demo/uiscopedemo/UsingSessionAndUIScopeView.java
	all-in-one-demo/src/main/java/de/oio/vaadin/views/impl/DemoView.java
	all-in-one-demo/src/main/java/de/oio/vaadin/views/impl/MainView.java