ENYO-2053: Move waitPopup from ProjectView to Ares to make it usable by plugins

* Merge branch 'master' of github.com:enyojs/ares-project into ENYO-2053
* ENYO-2053: Move waitPopup from ProjectView to Ares to make it usable by plugins
* Merge branch 'ENYO-2053' of github.com:enyojs/ares-project into ENYO-2053
* ENYO-2053: Set preview to debug.html by default

Enyo-DCO-1.1-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>