[maven-release-plugin] prepare release 0.2.1

Author: davidmoten

pom.xml

@@ -8,7 +8,7 @@
         <version>0.1</version>
     </parent>
     <artifactId>rxjava2-extras</artifactId>
-    <version>0.2.1-SNAPSHOT</version>
+    <version>0.2.1</version>
     <name>${project.artifactId}</name>
     <description>RxJava 2 utilities</description>
     <packaging>jar</packaging>
@@ -76,7 +76,7 @@
         <connection>scm:git:https://github.com/davidmoten/rxjava2-extras.git</connection>
         <developerConnection>scm:git:https://github.com/davidmoten/rxjava2-extras.git</developerConnection>
         <url>scm:git:https://github.com:davidmoten/rxjava2-extras.git</url>
-        <tag>0.7.1-RC6</tag>
+        <tag>0.2.1</tag>
     </scm>
 
     <dependencies>