8012658: Change default langtools source level to 7

Reviewed-by: darcy

make/netbeans/langtools/nbproject/project.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
@@ -67,7 +67,7 @@
             </folders>
             <ide-actions>
                 <!--
- Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
@@ -239,10 +239,6 @@
                         <label>Build files</label>
                         <location>${root}/make</location>
                     </source-folder>
-                    <source-folder style="packages">
-                        <label>Source files</label>
-                        <location>${root}/src/share/classes</location>
-                    </source-folder>
                     <source-file>
                         <label>README</label>
                         <location>README</location>
@@ -250,7 +246,7 @@
                 </items>
                 <context-menu>
                     <!--
- Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
@@ -305,11 +301,11 @@
             </view>
             <subprojects/>
         </general-data>
-        <java-data xmlns="http://www.netbeans.org/ns/freeform-project-java/2">
+        <java-data xmlns="http://www.netbeans.org/ns/freeform-project-java/3">
             <compilation-unit>
                 <package-root>${root}/src/share/classes</package-root>
                 <built-to>${root}/build/classes</built-to>
-                <source-level>1.5</source-level>
+                <source-level>1.7</source-level>
             </compilation-unit>
         </java-data>
     </configuration>