Merge branch 'baagaard/increment-version-2.1.3'

* baagaard/increment-version-2.1.3:
  Added release notes file to distribution.

Author: baagaard-usgs

doc/releasenotes/Makefile.am

@@ -40,7 +40,8 @@ EXTRA_DIST = \
 	announce_v2.0.1.txt \
 	announce_v2.0.3.txt \
 	announce_v2.1.0.txt \
-	announce_v2.1.2.txt
+	announce_v2.1.2.txt \
+	announce_v2.1.3.txt
 
 
 # End of file