Fixed bug after refactoring. All functions OK

After refactoring some of the features in PersonHandler into
RoleSchoolHandler the service didn’t work.

Letting them use the same PersonFacade, ServerResponse, GsonBuilder and
Gson object, it was fixed.

Commit: Christopher
Merge branch 'master' of https://github.com/CodingCo/WebServiceExtension

Conflicts:
	public/.idea/workspace.xml