Item12783: add image files missing from previous commit


git-svn-id: http://svn.foswiki.org/trunk/core@17351 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12475: updating System Requirements docco for non shipped deps

git-svn-id: http://svn.foswiki.org/trunk/core@17352 0b4bb1d4-4e5a-0410-9cc4-b2b747904278