LPS-31355 Adds a new hook for article_toolbar.jsp
LPS-31355 Add download button to article toolbar
LPS-31355 Uses a buffer instead of copy all the jsp
LPS-31355 Just use one buffer, no logic changes
LPS-31355 Don't style unless we have to
LPS-31355 Just do one check? Is that CSS code even still necessary?
LPS-31355 Rename the var x to index