BS-7093, refactor jobs to put conf in tenant

Added a ServicesResolver in Scheduler service that acces the tenant service accessor in order to avoid to inject Persistence service staticaly
Refactor JobRegister to have not the logic of registering a job but only informations on what to register
added a tenant configuration bean that holds BPMEventHandling job and CleanInvalidSession job configuration
other configuration are hold by JobRegister beans and can be moved freely in the configuration