Lone categories when no parent can be assigned get same inputLabel (and hence callback) as parentable categories. New l10n string (category_parent) required though. Fixes Issue 370. Thanks ph.wittenbergh

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5496 2fea6a4d-a838-0410-917b-93a53c48e9d2
Permit comma-separated ID searches in Comments panel, like on other panels. Fixes Issue 379. Thanks Claire Brione

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5497 2fea6a4d-a838-0410-917b-93a53c48e9d2
Show author title in txp:page_title tag when on author list pages. Fixes Issue 380.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5498 2fea6a4d-a838-0410-917b-93a53c48e9d2
Merge remote-tracking branch 'upstream/master'