jdk version to 1.7

Author: UMTti

maven-wrapper/pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>fi.helsinki.cs.tmc</groupId>
     <artifactId>maven-wrapper</artifactId>
-    <version>1.6</version>
+    <version>1.7</version>
     <packaging>nbm</packaging>
 
     <name>TMC Maven Wrapper</name>
@@ -357,8 +357,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>2.5.1</version>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>1.7</source>
+                    <target>1.7</target>
                 </configuration>
             </plugin>