Item12892: simplify the store inheritance hierarcchy setup

git-svn-id: http://svn.foswiki.org/trunk@17663 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item9808: PlainFileStore is not passing the right info to recordChange

git-svn-id: http://svn.foswiki.org/trunk@17664 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item9808: preparing for release; doc, and test fixes

git-svn-id: http://svn.foswiki.org/trunk@17665 0b4bb1d4-4e5a-0410-9cc4-b2b747904278