test(core): NOT FIXED - fix unit tests for core #SOCRFW-94
fix(core-tests) fix most of unit tests for core register function #SOCRFW-94
Merge branch 'db_SOCRFW-79' of https://github.com/SOCRedu/SOCR-framework into db_SOCRFW-79
refactor(mediator): add "MEDIATOR" to console messages
refactor(eventMngr): rename mediator to pubSub #SOCRFW-94
fix(test-core): fix unit-tests for core module #SOCRFW-94
Merge pull request #12 from SOCRedu/db_SOCRFW-79

Final merge of db_SOCRFW-79 to db