error info is:
D:\wamp\www\ionic\todo>ionic start todo blank
Creating Ionic app in folder D:\wamp\www\ionic\todo\todo based on blank project
Downloading: https://github.com/driftyco/ionic-app-base/archive/master.zip
Downloading: https://github.com/driftyco/ionic-starter-blank/archive/master.zip
[=============================] 100% 0.0s
Update config.xml
Initializing cordova project
Unable to add plugins. Perhaps your version of Cordova is too old. Try updating (npm install -g cordova), removing this project folder, and trying again. (CLI v1.3.10)