Update Customise TiddlyWiki.tid

Not all tiddlers in TabbedTOC contain the complete information.
See discussion in the group https://groups.google.com/d/msg/tiddlywiki/GiOcL5vVJj4/qzVueMtzvqsJ
Merge pull request #1255 from gernert/patch-5

Update Customise TiddlyWiki.tid