读取流程定义的图片时从静态服务读取，格式：http://localhost:10000/leave-formkey/1/leave-formkey.png
release 1.6.1
Merge branch 'master' of github.com:henryyan/kft-activiti-demo

* 'master' of github.com:henryyan/kft-activiti-demo:
  Update README.md