Bumped the language level to Java 7

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1854806 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index d2b93de..4e6697e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,8 +41,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>1.5</maven.compiler.source>
-    <maven.compiler.target>1.5</maven.compiler.target>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
     <mavenVersion>2.2.1</mavenVersion>
 
     <mavenPluginPluginVersion>3.6.0</mavenPluginPluginVersion>
@@ -830,7 +830,7 @@
             <configuration>
               <rules>
                 <requireJavaVersion>
-                  <version>1.6.0</version>
+                  <version>1.7.0</version>
                 </requireJavaVersion>
               </rules>
             </configuration>