Basic integration tests
cleanup
Return JSON also formally as type
Added HeroBenchTest
Merge branch 'master' of https://github.com/webplatformz/zoin

Conflicts:
	src/main/java/backend/Heroes.java
	src/main/java/backend/Missions.java
Ignore .orig files (merge conflicts)
Merge branch 'master' of https://github.com/webplatformz/zoin
cleanup