Add maven prerequisites for dependencies check

Maven plugin version upgrade 1.2 -> 2.1
Add dependencies-check-rules.xml to ignore unreleased versions

dependencies-check-rules.xml

@@ -0,0 +1,13 @@
+<ruleset comparisonMethod="maven"
+	xmlns="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0 http://mojo.codehaus.org/versions-maven-plugin/xsd/rule-2.0.0.xsd">
+
+	<!--Ignore alpha, beta, releace-candidate and draft versions-->
+	<ignoreVersions>
+		<ignoreVersion type="regex">.*[\.-](?i)alpha[0-9]*$</ignoreVersion>
+		<ignoreVersion type="regex">.*[\.-](?i)b(eta)?-?[0-9]*$</ignoreVersion>
+		<ignoreVersion type="regex">.*[\.-](?i)rc?[0-9]*$</ignoreVersion>
+		<ignoreVersion type="regex">.*[\.-](?i)draft.*$</ignoreVersion>
+	</ignoreVersions>
+</ruleset>

pom.xml

@@ -17,6 +17,10 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
+  <prerequisites>
+     <maven>2.2.1</maven>
+  </prerequisites>
+
   <!-- For deploying to Sonatype OSS Nexus -->
   <parent>
     <groupId>org.sonatype.oss</groupId>
@@ -88,6 +92,16 @@
     <project.build.targetJdk>1.6</project.build.targetJdk>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
+    <!-- Dependencies version -->
+    <apache.httpcomponents.version>4.1.2</apache.httpcomponents.version>
+    <commons-lang.version>2.6</commons-lang.version>
+    <commons-io.version>2.1</commons-io.version>
+    <dom4j.version>1.6.1</dom4j.version>
+    <jaxen.version>1.1.1</jaxen.version>
+    <junit.version>4.10</junit.version>
+    <betamax.version>1.0</betamax.version>
+    <groovy.version>1.8.4</groovy.version>
+
     <!-- Plugins version -->
     <plugin.antrun.version>1.7</plugin.antrun.version>
     <plugin.assembly.version>2.2.2</plugin.assembly.version>
@@ -114,7 +128,7 @@
     <plugin.source.version>2.1.2</plugin.source.version>
     <plugin.surefire.version>2.10</plugin.surefire.version>
     <plugin.taglist.version>2.4</plugin.taglist.version>
-    <plugin.versions.version>1.2</plugin.versions.version>
+    <plugin.versions.version>2.1</plugin.versions.version>
   </properties>
 
   <build>
@@ -392,7 +406,7 @@
           </reportSet>
         </reportSets>
         <configuration>
-          <comparisonMethod>mercury</comparisonMethod>
+          <rulesUri>file:./dependencies-check-rules.xml</rulesUri>
         </configuration>
       </plugin>
       <plugin>
@@ -423,52 +437,52 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.1.2</version>
+      <version>${apache.httpcomponents.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <version>4.1.2</version>
+      <version>${apache.httpcomponents.version}</version>
     </dependency>
     <!-- Commons -->
     <dependency>
       <groupId>commons-lang</groupId>
       <artifactId>commons-lang</artifactId>
-      <version>2.6</version>
+      <version>${commons-lang.version}</version>
     </dependency>
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.1</version>
+      <version>${commons-io.version}</version>
     </dependency>
     <!-- XML Parsing -->
     <dependency>
       <groupId>dom4j</groupId>
       <artifactId>dom4j</artifactId>
-      <version>1.6.1</version>
+      <version>${dom4j.version}</version>
     </dependency>
     <dependency>
       <groupId>jaxen</groupId>
       <artifactId>jaxen</artifactId>
-      <version>1.1.1</version>
+      <version>${jaxen.version}</version>
     </dependency>
     <!-- Test -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.10</version>
+      <version>${junit.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>com.github.robfletcher</groupId>
       <artifactId>betamax</artifactId>
-      <version>1.0</version>
+      <version>${betamax.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.codehaus.groovy</groupId>
       <artifactId>groovy-all</artifactId>
-      <version>1.8.4</version>
+      <version>${groovy.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>