Upgrade parent to 5.0

This fixes #59

Author: michael-o

pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.codehaus.plexus</groupId>
     <artifactId>plexus</artifactId>
-    <version>4.0</version>
+    <version>5.0</version>
   </parent>
 
   <artifactId>plexus-archiver</artifactId>
@@ -23,6 +23,16 @@
     <system>jira</system>
     <url>https://github.com/codehaus-plexus/plexus-archiver/issues</url>
   </issueManagement>
+  <distributionManagement>
+    <site>
+      <id>github:gh-pages</id>
+      <url>${project.scm.developerConnection}</url>
+    </site>
+  </distributionManagement>
+
+  <properties>
+    <javaVersion>7</javaVersion>
+  </properties>
 
   <contributors>
     <contributor>
@@ -86,29 +96,10 @@
 
 
   <build>
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-site-plugin</artifactId>
-          <version>3.4</version>
-        </plugin>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-gpg-plugin</artifactId>
-          <version>1.6</version>
-        </plugin>
-      </plugins>
-    </pluginManagement>
     <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-surefire-plugin</artifactId>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>2.5.2</version>
         <configuration>
           <!-- olamy: exclude files with strange names as failed here on osx -->
           <checkModificationExcludes>
@@ -119,7 +110,6 @@
       <plugin>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-component-metadata</artifactId>
-        <version>1.6</version>
         <executions>
           <execution>
             <goals>
@@ -131,7 +121,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.4</version>
         <executions>
           <execution>
             <id>enforce-java</id>
@@ -149,11 +138,20 @@
         </executions>
       </plugin>
       <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-scm-publish-plugin</artifactId>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <content>${project.reporting.outputDirectory}</content><!-- mono-module doesn't require site:stage -->
         </configuration>
+        <executions>
+          <execution>
+            <id>scm-publish</id>
+            <phase>site-deploy</phase><!-- deploy site with maven-scm-publish-plugin -->
+            <goals>
+              <goal>publish-scm</goal>
+            </goals>
+          </execution>
+        </executions>
       </plugin>
     </plugins>
   </build>