[Issue 8] update package.json phonegap license
[Issue 8] update package.json phonegap license

"phonegap license should be a valid spdx license expression"

Fixes #8
phonegap/phonegap-template-hello-world,phonegap/phonegap-template-hello-world,phonegap/phonegap-app-hello-world,involved1984/OrderStatus,jadman02/testphonegap,mxhub/wdw,involved1984/OrderStatus,phonegap/phonegap-app-hello-world,elfpenner/411-new,mxhub/wdw,jadman02/testphonegap,elfpenner/411-new