updated manifestUrl to point to hermwong repo
updated manifestUrl to point to hermwong repo


Former-commit-id: d608e9e0bd9497ceb8a4f5bc5e8e61455e0498b4
hermwong/phonegap-app-desktop,hermwong/phonegap-app-desktop,hermwong/phonegap-app-desktop,hermwong/phonegap-app-desktop,hermwong/phonegap-app-desktop