Some minor issues relating to news syndication.

M main_page.php

• Fixed a notice.

R news.php

• Copied the code of news.php to news_view_page.php to replace the old code and removed this one.

M news_rss.php

• Changed to use news_view_page.php
• Some cleanup of comments.

M news_view_page.php

• Fixed an issue in the checking + added the [Archives] link after the news item.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2337 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9