581a9c fix for #676: hide preview pane in create issue

1 file Authored by Ryan Lerch 9 years ago , Committed by Pierre-Yves Chibon 9 years ago ,
    fix for #676: hide preview pane in create issue
    
    the preview pane in the create issue page previously
    was always displayed. This commit hides the preview
    with javascript when the page is loaded, and now is
    only shown if the user clicks the preview toggle button