Updated target versions

Author: shai-almog

vm/ByteCodeTranslator/nbproject/project.properties

@@ -44,8 +44,8 @@ javac.deprecation=false
 javac.external.vm=false
 javac.processorpath=\
     ${javac.classpath}
-javac.source=1.6
-javac.target=1.6
+javac.source=1.8
+javac.target=1.8
 javac.test.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}