Make debug_item_scan() complain about summoned items found on the floor.

Warn if transfering summoned items to/from a monster, or if giving an item to a monster with MF_HARD_RESET.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7803 c06c8d41-db1a-0410-9941-cceddc491573

Created by  zelgadis  on December 10, 2008
PSE2BGMI3WPJ5HLD7S6KBRMESZYOLNOUSJWFRVAT2XR5JG3AEJPQC
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