final fix for #112. return error 404 (instead of 500) when resource item is missing
final fix for #112. return error 404 (instead of 500) when resource item is missing

git-svn-id: be7fcf8b57a85a067d5bd030757d140cf5159929@1496 8402a193-bf1e-0410-a7e5-8246bfde4f7d

asmundg/coherence,ligthyear/coherence-mirror,ligthyear/coherence-mirror,asmundg/coherence