release 2.1.2

Author: adyliu

pom.xml

@@ -5,7 +5,7 @@
     <groupId>com.github.adyliu</groupId>
     <artifactId>zkclient</artifactId>
     <name>zookeeper client wrapper</name>
-    <version>2.2.0-SNAPSHOT</version>
+    <version>2.1.2</version>
     <packaging>jar</packaging>
     <description>A zookeeper client wrapper.</description>
     <url>https://github.com/adyliu/zkclient</url>