Add 4.4.15 release notes.

Boy Baukema · Boy Baukema · commit 37e9bef527a1 · 2015-09-10T22:32:03.000+02:00
diff --git a/docs/release_notes/4.4.15.md b/docs/release_notes/4.4.15.md
@@ -0,0 +1,5 @@
+# OpenConext EngineBlock v4.4.15 Release Notes #
+
+Bugfix release.
+
+* Rework for [EB 4.4 does not set correct member/guest status #174](https://github.com/OpenConext/OpenConext-engineblock/issues/174) fix.
