Re-added Firebird assembly--Nuget package only contains version compiled against 4.0
Re-added Firebird assembly--Nuget package only contains version compiled against 4.0

adamfur/NEventStore,nerdamigo/NEventStore,deltatre-webplu/NEventStore,jamiegaines/NEventStore,D3-LucaPiombino/NEventStore,chris-evans/NEventStore,NEventStore/NEventStore,paritoshmmmec/NEventStore,gael-ltd/NEventStore,marcoaoteixeira/NEventStore,AGiorgetti/NEventStore