add errai-cdi demos
add errai-jpa examples & demos top level parent
clean up demos
add other demos
clean demos
Refactored src code of errai-jpa-demo-basic
Refactored JPA demos, renamed all demos.
Refactoring of src of bus and cdi demos
added jboss-errai-bom
add errai-version-master, change errai-bom
fix jpa demo argline after formating