DATAES-427 - Updated changelog.

Author: mp911de

src/main/resources/changelog.txt

@@ -1,6 +1,14 @@
 Spring Data Elasticsearch Changelog
 ===================================
 
+Changes in version 3.1.0.M2 (2018-04-13)
+----------------------------------------
+* DATAES-439 - Adapt to API changes in Spring Data Commons.
+* DATAES-434 - Remove explicit declaration of Jackson library versions.
+* DATAES-432 - Export composable repositories via CDI.
+* DATAES-427 - Release 3.1 M2 (Lovelace).
+
+
 Changes in version 3.0.6.RELEASE (2018-04-04)
 ---------------------------------------------
 * DATAES-434 - Remove explicit declaration of Jackson library versions.