[maven-release-plugin] prepare release v1.3.7

Author: jodastephen

pom.xml

@@ -10,7 +10,7 @@
   <artifactId>threetenbp</artifactId>
   <packaging>jar</packaging>
   <name>ThreeTen backport</name>
-  <version>1.3.7-SNAPSHOT</version>
+  <version>1.3.7</version>
   <description>Backport of JSR-310 from JDK 8 to JDK 7 and JDK 6. NOT an implementation of the JSR.</description>
   <url>https://www.threeten.org/threetenbp</url>
 
@@ -91,6 +91,7 @@
     <connection>scm:git:https://github.com/ThreeTen/threetenbp.git</connection>
     <developerConnection>scm:git:https://github.com/ThreeTen/threetenbp.git</developerConnection>
     <url>https://github.com/ThreeTen/threetenbp</url>
+    <tag>v1.3.7</tag>
   </scm>
   <organization>
     <name>ThreeTen.org</name>