Adding immediate mouseover text to inventory regions.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6941 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on September 17, 2008
NDE6CROMCVOJRMRMEID7QISFPZKUK2VCV6ISP5OEQRBH7EIXUIEQC
Change contents