[maven-release-plugin] prepare release v2.3.0

Author: samtstern

android/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.firebase</groupId>
     <artifactId>geofire</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.3.0</version>
     <relativePath>../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
     <connection>scm:git:git@github.com:firebase/geofire-java.git</connection>
     <developerConnection>scm:git:git@github.com:firebase/geofire-java.git</developerConnection>
     <url>https://github.com/firebase/geofire-java</url>
-    <tag>HEAD</tag>
+    <tag>v2.3.0</tag>
   </scm>
   <licenses>
     <license>

common/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.firebase</groupId>
     <artifactId>geofire</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.3.0</version>
     <relativePath>../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
     <connection>scm:git:git@github.com:firebase/geofire-java.git</connection>
     <developerConnection>scm:git:git@github.com:firebase/geofire-java.git</developerConnection>
     <url>https://github.com/firebase/geofire-java</url>
-    <tag>HEAD</tag>
+    <tag>v2.3.0</tag>
   </scm>
   <licenses>
     <license>

java/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.firebase</groupId>
     <artifactId>geofire</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.3.0</version>
     <relativePath>../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
     <connection>scm:git:git@github.com:firebase/geofire-java.git</connection>
     <developerConnection>scm:git:git@github.com:firebase/geofire-java.git</developerConnection>
     <url>https://github.com/firebase/geofire-java</url>
-    <tag>HEAD</tag>
+    <tag>v2.3.0</tag>
   </scm>
   <licenses>
     <license>

pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>com.firebase</groupId>
   <artifactId>geofire</artifactId>
-  <version>2.3.0-SNAPSHOT</version>
+  <version>2.3.0</version>
   <packaging>pom</packaging>
 
   <name>geofire</name>
@@ -18,7 +18,7 @@
     <connection>scm:git:git@github.com:firebase/geofire-java.git</connection>
     <developerConnection>scm:git:git@github.com:firebase/geofire-java.git</developerConnection>
     <url>https://github.com/firebase/geofire-java</url>
-    <tag>HEAD</tag>
+    <tag>v2.3.0</tag>
   </scm>
 
   <developers>

testing/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.firebase</groupId>
     <artifactId>geofire</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.3.0</version>
     <relativePath>../</relativePath>
   </parent>
 
@@ -24,7 +24,7 @@
     <connection>scm:git:git@github.com:firebase/geofire-java.git</connection>
     <developerConnection>scm:git:git@github.com:firebase/geofire-java.git</developerConnection>
     <url>https://github.com/firebase/geofire-java</url>
-    <tag>HEAD</tag>
+    <tag>v2.3.0</tag>
   </scm>
   <licenses>
     <license>