Fixes in gorilla center

Conflicts:
	really-core/src/main/scala/io/really/gorilla/GorillaEventCenter.scala
	really-core/src/test/scala/io/really/gorilla/GorillaEventCenterSpec.scala
	really-core/src/test/scala/io/really/gorilla/ObjectSubscriberSpec.scala
Merge pull request #3 from ashihaby/rescue

Fixes in gorilla center