ENYO-2762: new panel is added in the panel "Phonegap Build" in order to define some advance options.

Actually, from this panel the Ares user can enable/disable the auto-generation of the file config.xml
Merge branch 'master' of github.com:enyojs/ares-project into ENYO-2762
ENYO-2762: Update the file "KNOWN-BUGS.md"
ENYO-2762: Update the file "KNOWN-BUGS.md"
Merge remote-tracking branch 'origin/ENYO-2762' into ENYO-2512
ENYO-2512: fix a little bug