Enyo 1710: Improved project preview

* ENYO-1710: Merge branch 'master' into ENYO-1710 (HEAD, origin/ENYO-1710, ENYO-1710)
* ENYO-1710: improved look of tool bar
* ENYO-1710: Merge branch 'ENYO-1710' of github.com:enyojs/ares-project into ENYO-1710
* ENYO-1710: added slider to zoom out device iframe
* ENYO-1710: display device features on left bar
* ENYO-1710: modify the launchPreview URL for tests - Enyo-DCO-1.1-Signed-off-by: Marie-Antoinette de Bonis-Hamelin (Marian) marie-antoinette.de-bonis-hamelin@hp.com
* ENYO-1710: adjust dpr for iphone 4 and 5
* ENYO-1710: display device emulator inline
* ENYO-1710: Merge branch 'master' into ENYO-1710
* ENYO-1710: take into account device DPR to compute the iframe size
* ENYO-1710: improved preview look
* ENYO-1710: updated project preview URL (without size)
* ENYO-1710: removed device menu from project preview
* ENYO-1710: updated enyo and co
* ENYO-1710: fixed log
* ENYO-1710: Vastly improved project preview
* ENYO-1710: moved preview in their own directory
* ENYO-1710: basic scrollable project preview is working
* ENYO-1710: ignore emacs backup files
* ENYO-1710: added preview as an external page
* ENYO-1710: Merge branch 'master' into ENYO-1710
* ENYO-1710: added ares.IFrame kind

Enyo-DCO-1.1-Signed-off-by: Dominique Dumont <dominique.dumont@hp.com>