• bug_view_advanced_page.php bug_view_page.php:
  Added new HREF anchor for attachments.

• config_defaults_inc.php:
  Added new configuration option to optionally
  show attachment indicators on view_all_bug_page.

• view_all_inc.php:
  Added new (option) column containing a clickable
  file attachment indicator.

• core/file_api.php:
  Added new function file_bug_has_attachments().

• images/attachment.png:
  New attachment indicator icon.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2130 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9