Bug 55056 [Workbench] would like to establish my workspace (and no longer be prompted)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEApplication.java
*/
	private static void writeWorkspaceVersion() {
		Location instanceLoc = Platform.getInstanceLocation();
		if (instanceLoc == null || instanceLoc.isReadOnly())
			return;
		File versionFile = getVersionFile(instanceLoc.getURL(), true);
		if (versionFile == null)
			return;
		OutputStream output = null;
		try {
			String versionLine = WORKSPACE_VERSION_KEY + '=' + WORKSPACE_VERSION_VALUE;
			output = new FileOutputStream(versionFile);
			output.write(versionLine.getBytes("UTF-8")); 
		} catch (IOException e) {
			IDEWorkbenchPlugin.log("Could not write version file", new Status( 
					IStatus.ERROR, IDEWorkbenchPlugin.IDE_WORKBENCH,
					IStatus.ERROR, e.getMessage(), e));
		} finally {
			try {
				if (output != null)
					output.close();
			} catch (IOException e) {
				
			}
		}
	}
	/**
	 * The version file is stored in the metadata area of the workspace. This
	 * method returns an URL to the file or null if the directory or file does
	 * not exist (and the create parameter is false).