added version numbers to various plugins.

replaced now deprecated ${version} with ${project.version}

gson/pom.xml

@@ -62,6 +62,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
         <configuration>
           <source>1.5</source>
           <target>1.5</target>
@@ -70,6 +71,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
+        <version>2.3.1</version>
         <executions>
           <execution>
             <phase>package</phase>
@@ -99,6 +101,7 @@
        <!-- TODO(inder): add manifest entry for maven group, artifact, and classifier ids -->
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-source-plugin</artifactId>
+         <version>2.1.2</version>
          <executions>
            <execution>
              <id>attach-sources</id>
@@ -113,6 +116,7 @@
          <!-- TODO(inder): add manifest entry for maven group, artifact, and classifier ids -->
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-javadoc-plugin</artifactId>
+         <version>2.7</version>
          <executions>
            <execution>
              <id>attach-javadocs</id>
@@ -132,6 +136,7 @@
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-eclipse-plugin</artifactId>
+         <version>2.8</version>
          <configuration>
            <downloadSources>true</downloadSources>
            <downloadJavadocs>true</downloadJavadocs>
@@ -146,10 +151,12 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jxr-plugin</artifactId>
+        <version>2.2</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
+        <version>2.5</version>
         <configuration>
           <targetJdk>1.5</targetJdk>
           <rulesets>
@@ -163,6 +170,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>2.6</version>
         <configuration>
           <!-- configLocation>config/sun_checks.xml</configLocation -->
           <configLocation>config/maven_checks.xml</configLocation>
@@ -171,18 +179,18 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>taglist-maven-plugin</artifactId>
+        <version>2.4</version>
         <configuration>
+          <multipleLineComments>true</multipleLineComments>
           <tags>
             <tag>TODO</tag>
-            <tag>@todo</tag>
-            <tag>FIXME</tag>
-            <tag>XXX</tag>
           </tags>
         </configuration>
       </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>cobertura-maven-plugin</artifactId>
+        <version>2.4</version>
         <executions>
           <execution>
             <id>clean</id>
@@ -195,6 +203,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
+        <version>2.1</version>
         <configuration>
           <arguments>-DenableCiProfile=true</arguments>
           <tagBase>https://google-gson.googlecode.com/svn/tags/</tagBase>
@@ -202,9 +211,10 @@
       </plugin>
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
+        <version>2.2</version>
         <configuration>
           <descriptor>src/main/resources/assembly-descriptor.xml</descriptor>
-          <finalName>google-gson-${version}</finalName>
+          <finalName>google-gson-${project.version}</finalName>
           <outputDirectory>target/dist</outputDirectory>
           <workDirectory>target/assembly/work</workDirectory>
         </configuration>
@@ -216,6 +226,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
+        <version>2.3.1</version>
         <configuration>
           <xmlOutput>true</xmlOutput>
           <!-- Optional derectory to put findbugs xdoc xml report -->
@@ -226,6 +237,7 @@
         <!--  if this fails, it means you have no svn installed -->
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changelog-plugin</artifactId>
+        <version>2.2</version>
         <configuration>
           <type>range</type>
           <range>3650</range>
@@ -234,6 +246,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-changes-plugin</artifactId>
+        <version>2.3</version>
         <reportSets>
           <reportSet>
             <reports>
@@ -242,16 +255,6 @@
           </reportSet>
         </reportSets>
       </plugin>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>taglist-maven-plugin</artifactId>
-        <configuration>
-          <multipleLineComments>true</multipleLineComments>
-          <tags>
-            <tag>TODO</tag>
-          </tags>
-        </configuration>
-      </plugin>
     </plugins>
   </reporting>
   <developers>