temporary fix on synchro service

was nor working in cluster mode because of hashcose on maps
the fix is to return the id directly from the fired event
Should change the service to have a serializable object "Event" instead of a map
fix NPE when an exception is thrown
fix enconding problem on Windows OS
Merge branch 'fix-slow-tests'

Conflicts:
	bpm/bonita-core/bonita-process-engine/src/main/java/org/bonitasoft/engine/api/impl/PlatformAPIImpl.java