Update README.md
解决首页待办任务跟踪提示样式错乱问题
修正动态表单和外置表单流程列表不能查看xml和图片问题
升级Activiti至5.13
start version 1.8.0 for activiti 5.13
升级合并脚本
Changed db file location to '~/.kft-activiti-demo/db/default'.

Signed-off-by: Dearshor Xue <dearshor@gmail.com>