Bug 132996 [IDE] IDE does not need to check for VM version
Since 3.1, startup.jar checks if the VM being used is the correct one. Therefore the IDEApplication no longer needs to do the same check. Patch coming.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEApplication.java
if (version == null) {
			return true;
		}
        final int ide_version = Integer.parseInt(WORKSPACE_VERSION_VALUE);
        int workspace_version = Integer.parseInt(version);
        
        
        if (workspace_version == ide_version) {
			return true;
		}
        
        
        
        String title = IDEWorkbenchMessages.IDEApplication_versionTitle;
        String message = NLS.bind(IDEWorkbenchMessages.IDEApplication_versionMessage, url.getFile());
        MessageBox mbox = new MessageBox(shell, SWT.OK | SWT.CANCEL
                | SWT.ICON_WARNING | SWT.APPLICATION_MODAL);
        mbox.setText(title);
        mbox.setMessage(message);
        return mbox.open() == SWT.OK;
    }
    /**
     * Look at the argument URL for the workspace's version information. Return
     * that version if found and null otherwise.
     */
    private static String readWorkspaceVersion(URL workspace) {
        File versionFile = getVersionFile(workspace, false);
        if (versionFile == null || !versionFile.exists()) {
			return null;