Describing items now works better in shops (fixes 1749246.)

More consistency in type-ID vs. artefacts: knowing the type-ID of a specific ring won't property-ID or type-ID an artefact ring of the same type, and vice versa.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1781 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on July 7, 2007
OQ4KB7QCJSK7GSW3DYBARH4DCB75HFKLUSOSOZZZ4IUFKNGFRUDQC
Change contents