ISPN-2690: Removed Serializable and updatd internal externalizer table to reference CHF Externalizer implementations.
ISPN-2707 Trace log in EntryWrappingInterceptor hardly slows down ST
ISPN-2700 Fix Scala compiler warnings
ISPN-2704 Check async store state for stop before wait for new state
ISPN-2683 AS7.x modules packaging