Update change log

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk/gogo/runtime@1632115 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/doc/changelog.txt b/doc/changelog.txt
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+Changes 0.12.1 to 0.14.0
+------------------------
+
+** Bug
+    * [FELIX-4533] - Gogo runtime does not advertise published services
+
+** New Feature
+    * [FELIX-4671] - Provide an expression parser
+
+
 Changes 0.12.0 to 0.12.1
 ------------------------