ENYO-2486: Detect and report before trying to duplicate a project.

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
ENYO-2486: Removed unneeded trace.

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>
Merge pull request #345 from enyojs/ENYO-2486

ENYO-2486: Detect and report before trying to duplicate a project.