ENYO-2451: Report detailed error (msg and stack trace) when a kind cannot be rendered in the designer

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
ENYO-2451: Report "No constructor found" occurring errors when a kind is rendered in the designer

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
ENYO-2451: Force a reload of the iframe when entering the designer after an error "Unable to render kind …" occurred

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>