ENYO-3735: Display a message in case where, the opened folder doesn't contains a project.json in the located directory or in it's sub-directories.
ENYO-3735: add some comments for the functions in the "ProjectWizardScan" kind.
ENYO-3735: clarified error message for search and open cases ...

which is indeed based on the value of this.recurse
Merge pull request #772 from enyojs/ENYO-3735

ENYO-3735: Display an error message if the opened project doesn't contain the project.json file.