[FIX] Notice when iconset not defined

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53334 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Test broken after introduction of numeric type

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53335 b456876b-0849-0410-b77d-98878d47e9d5