Make replication extension more robust (receiver)
- Fall-back to SYSTEM user/group when user/group does not exist for receiver
- Create missing collections
- Prevent re-replication of replication events
Merge pull request #4 from dizzzz/feature/robuster-replication

Make replication extension more robust (receiver)
[doc] Tried to add some supporting text to clarify the process for humans
Merge pull request #5 from adamretter/develop

[doc] Tried to add some supporting text to clarify the process for human...

DW: and for me :-)
[ignore] Replacing use of subversion properties and svnkit libraries.