PSR-0'd rest of the new 4.6.0 tags.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5346 2fea6a4d-a838-0410-917b-93a53c48e9d2
Register txp_die tag.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5347 2fea6a4d-a838-0410-917b-93a53c48e9d2
Merge remote-tracking branch 'upstream/master' into jquery-ui-integration