ENYO-1712: store signing keys in localStorage user profile
ENYO-1712: store signing keys in localStorage user profile

Enyo-DCO-1.1-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>

enyojs/ares-project,enyojs/ares-project,enyojs/ares-project,mcanthony/ares-project,mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,enyojs/ares-project,mcanthony/ares-project,mcanthony/ares-project,mcanthony/ares-project