Return short 404 error if bookmark id doesnt exist.
Return short 404 error if bookmark id doesnt exist.

google-code-export/marinemap,Alwnikrotikz/marinemap,google-code-export/marinemap,Alwnikrotikz/marinemap,Alwnikrotikz/marinemap,Alwnikrotikz/marinemap,google-code-export/marinemap,google-code-export/marinemap