Update version to 2.2.15

CHANGES.txt

@@ -1,3 +1,7 @@
+2.2.15
+ * Multi-version in-JVM dtests (CASSANDRA-14937)
+
+
 2.2.14
  * CircleCI docker image should bake in more dependencies (CASSANDRA-14985)
  * Don't enable client transports when bootstrap is pending (CASSANDRA-14525)

NEWS.txt

@@ -42,6 +42,14 @@ restore snapshots created with the previous major version using the
 'sstableloader' tool. You can upgrade the file format of your snapshots
 using the provided 'sstableupgrade' tool.
 
+2.2.15
+======
+
+Upgrading
+---------
+    - Nothing specific to this release, but please see 2.2 if you are upgrading
+      from a previous version.
+
 2.2.14
 ======
 

build.xml

@@ -25,7 +25,7 @@
     <property name="debuglevel" value="source,lines,vars"/>
 
     <!-- default version and SCM information -->
-    <property name="base.version" value="2.2.14"/>
+    <property name="base.version" value="2.2.15"/>
     <property name="scm.connection" value="scm:git://git.apache.org/cassandra.git"/>
     <property name="scm.developerConnection" value="scm:git://git.apache.org/cassandra.git"/>
     <property name="scm.url" value="http://git-wip-us.apache.org/repos/asf?p=cassandra.git;a=tree"/>

debian/changelog

@@ -1,3 +1,9 @@
+cassandra (2.2.15) unstable; urgency=medium
+
+  * New release
+
+ -- Michael Shuler <mshuler@apache.org>  Mon, 11 Feb 2019 20:58:53 -0600
+
 cassandra (2.2.14) unstable; urgency=medium
 
   * New release