HAMA-979: Change the setting the -source and -target of the Java Compiler to 1.7
diff --git a/pom.xml b/pom.xml
index 28086e1..2c7908b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -360,8 +360,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.3.2</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.7</source>
+          <target>1.7</target>
         </configuration>
       </plugin>
       <plugin>