Fix more deprecation warnings.

Author: fdb

build.xml

@@ -123,7 +123,7 @@
     </target>
 
     <target name="compile-tests" depends="compile">
-        <javac srcdir="${test}" destdir="${build.test}" source="1.7" target="1.7" includeantruntime="false"
+        <javac srcdir="${test}" destdir="${build.test}" source="11" target="11" includeantruntime="false"
                deprecation="yes">
             <classpath refid="test.classpath"/>
             <compilerarg value="-Xlint:unchecked"/>

src/test/java/nodebox/graphics/Playground.java

@@ -8,6 +8,7 @@
 import java.awt.Color;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
 import java.awt.event.KeyEvent;
 import java.io.StringReader;
 
@@ -124,7 +125,7 @@ public void setResult(Object result) {
     private class RunAction extends AbstractAction {
         private RunAction() {
             super("Run");
-            putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, Toolkit.getDefaultToolkit().getMenuShortcutKeyMaskEx()));
+            putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.META_DOWN_MASK));
         }
 
         @Override