'Release Script: update versions for 6.0.2-SNAPSHOT'
ISPN-3731 Multicast messages can be replayed to new node

Keep track of the first cache topology was a member, and ignore commands
with a lower topology id.
Change version to 7.0.0-SNAPSHOT
add server topology hinting tests
ISPN-3846 Handle EnumSets in order JVMs and unknown EnumSets