[MASSEMBLY-860] Upgrade to Java 7

This closes #116

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1799186 13f79535-47bb-0310-9956-ffa450edef68

Author: michael-o

maven-assembly-plugin/pom.xml

@@ -57,6 +57,7 @@ under the License.
   </distributionManagement>
 
   <properties>
+    <javaVersion>7</javaVersion>
     <mdoVersion>2.0.0</mdoVersion>
     <mavenArchiverVersion>3.1.1</mavenArchiverVersion>
     <mavenFilteringVersion>3.1.1</mavenFilteringVersion>

pom.xml

@@ -125,6 +125,7 @@ under the License.
       <!-- For plugins that require at least Java 7 to build -->
       <id>java-7</id>
       <modules>
+        <module>maven-assembly-plugin</module>
         <module>maven-checkstyle-plugin</module>
         <module>maven-pmd-plugin</module>
       </modules>
@@ -162,7 +163,6 @@ under the License.
         <jdk>[1.6,)</jdk>
       </activation>
       <modules>
-        <module>maven-assembly-plugin</module>
         <module>maven-dependency-plugin</module>
       </modules>
     </profile>