ionic1升级ionic2

一、升级

npm update -g cordova
npm update -g ionic

二、错误处理

• 解决WARN: ionic.project has been renamed to ionic.config.json, please rename it：
  ionic lib update
• 解决There was an error with the spawned command: npminstall
  ionic start cutePuppyPics --v2 --verbose

注意
android环境需要android API 25