Call registerAsParallelCapable via reflection to not add a dependency on java7 (FELIX-3553).

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1441985 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/framework/pom.xml b/framework/pom.xml
index ecb9f0d..bc40a13 100644
--- a/framework/pom.xml
+++ b/framework/pom.xml
@@ -44,8 +44,8 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <target>1.7</target>
-          <source>1.7</source>
+          <target>1.5</target>
+          <source>1.5</source>
         </configuration>
       </plugin>