Moving <module>jetty-aggregate</module> to profile 'aggregates'.

This is being done to allow reporting plugins to avoid duplicating
all of the aggregated classes for javadoc, xref, pmd, findbugs, and
even cobertura.
This new 'aggregates' profile is active by default.

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@2773 7e9141cc-0065-0410-87d8-b60c137991c4

pom.xml

@@ -300,7 +300,9 @@
     <module>test-continuation-jetty6</module>
     <module>test-jetty-servlet</module>
     <module>test-jetty-webapp</module>
+    <!-- Moved to profile 'aggregates' below (default active)
     <module>jetty-aggregate</module>
+      -->
     <module>example-jetty-embedded</module>
     <module>tests</module>
     <module>jetty-distribution</module>
@@ -369,6 +371,21 @@
     > mvn -N site:sshdeploy     (for ssh users w/passphrase and ssh-agent)
    -->
   <profiles>
+    <profile>
+      <!--
+        Moves the jetty-aggregate build tree to a profile called 'aggregates'.
+        It is active by default, but being in a profile allows it to be
+        disabled via the "-P-aggregates" command line on maven.
+        (Useful for running site plugin with deep reporting and avoiding
+         duplicate hits on aggregated classes) -->
+      <id>aggregates</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+      <modules>
+        <module>jetty-aggregate</module>
+      </modules>
+    </profile>
     <profile>
       <!--
         Moves the jetty-osgi build tree to a profile called 'osgi'.