ENYO-1712: phonegap: invalidate token when switching accounts

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>
ENYO-1712: add popup-links to manage PhoneGap account & apps.

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>
ENYO-1712: PhoneGap Build integration, with signing keys passwords

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>
Merge remote-tracking branch 'enyojs/master' into ENYO-1712
Merge pull request #186 from enyojs/ENYO-1712

[#ENYO-1712] implement phonegap build using signing keys