title: Eclipse Color Theme is not working
body: <p>I am Ubuntu 13.04, Eclipse 4.2.1(ADT v22) user.</p>
  
  <p>I encounted error when I might add plugin which is Eclipse Color Theme for eclipse.<br>
  And in Preferences-General-Appearance, when I click Color Theme output error log...<br>
  (Eclipse Color Theme get on Help-install new software <a href="http://eclipse-color-theme.github.com/update" rel="nofollow">http://eclipse-color-theme.github.com/update</a></p>
  
  <pre><code>   errTitle: Unhandled event loop exception
  
  org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.swt.SWTError: No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)])
  at org.eclipse.swt.SWT.error(SWT.java:4361)
  at org.eclipse.swt.SWT.error(SWT.java:4276)
  at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
  at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3537)
  at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189)
  at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
  at org.eclipse.jface.window.Window.open(Window.java:801)
  at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
  at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65)
  at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
  .
  .
  .
  at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:433)
  at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
  at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
  ... 35 more
  </code></pre>
  
  <p>and close Preference, more error happened.</p>
  
  <pre><code>    errTitle: java.lang.ArrayIndexOutOfBoundsException: 0
  java.lang.ArrayIndexOutOfBoundsException: 0
  at com.github.eclipsecolortheme.preferences.ColorThemePreferencePage.performOk(ColorThemePreferencePage.java:207)
  at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:965)
  at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
  at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
  at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
  at org.eclipse.jface.preference.PreferenceDialog.okPressed(PreferenceDialog.java:945)
  at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.okPressed(FilteredPreferenceDialog.java:448)
  at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.okPressed(WorkbenchPreferenceDialog.java:171)
  at org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:233)
  at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
  at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
  at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
  at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1276)
  at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3562)
  at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3186)
  at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
  at org.eclipse.jface.window.Window.open(Window.java:801)
  at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
  at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65)
  at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
  at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
  at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
  at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
  at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
  at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1276)
  at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3562)
  at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3186)
  at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1053)
  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
  at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:942)
  at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
  at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
  at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
  at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
  at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
  at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
  at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
  at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
  at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
  at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
  at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
  </code></pre>
  
  <p>How do I fix it for Eclipse Color Theme working?</p>