add story points and spent hours in the user story
Add spent hours in the user story as the sum of its tasks
Add spent hours in the user story as the sum of its tasks
change_5054: Solved issue #66 (https://github.com/software-project/scrum-pm/issues/66) only for create button not for create and continue. Still working on it
Merge branch 'master' of https://github.com/software-project/scrum-pm
添加故事的返回url ;修正汉字描述