update history for v 3.1.0 M2
This document contains the last changes of OrientDB Community Edition.
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+VERSION 3.1.0 M2 - (October, 5 2018)
+- Release Notes: https://github.com/orientechnologies/orientdb/wiki/OrientDB-3.1-Release-Notes#310M2---5-october-2018
+
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VERSION 3.1.0 M1 - (September, 24 2018)
- Release Notes: https://github.com/orientechnologies/orientdb/wiki/OrientDB-3.1-Release-Notes#310M1---24-september-2018
