feat(json): add support

add jackson libs
fix(runner): change relationship

change relationshit to global result (manytomany)
fix(runner): change relationship

change relationshit to global result (manytomany)
fix(tomcat): add hot load entitymanager

add hot load of entitymanager
http://geoffritchey.wordpress.com/2012/02/24/entity-manager-has-not-been-injected/
feat(RunResult): add json response

add json response to load runResult