Properly save friendly pickup setting as a player variable (rather than

options). This increases the minor version by 1. Also, tidy up the checks of this settings.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4916 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on May 7, 2008
JGKYRZ34S3I23PMJX6IUBR7EHEFD6I4XXEGXNT7GKT2M2VIRBSMQC
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