Item12310: Fix unit test for Main/WebHome change

git-svn-id: http://svn.foswiki.org/branches/Release01x01@16388 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12337: Use iso-8859-1 if {Site}{CharSet} is undef

git-svn-id: http://svn.foswiki.org/branches/Release01x01@16389 0b4bb1d4-4e5a-0410-9cc4-b2b747904278