• Generating an error if "New Custom Field" is called with empty name or a string that
  only has (|'s and spaces).
• Changed access right required to add new custom fields to ADMINISTRATOR rather than
  MANAGER.
• Adjusting new lines for manage_custom_field_page.php
• Added more fields to the list of custom fields + changes the location of the add custom
  field form.
• Changed the captions of the fields to make it start with upper-case like the rest of the
  forms.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1652 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9