[#1020] Created a controller and routes for planner
[#1346] added  prototype code
[#1346] add application.css back
[#1481]  make the assets display better
[#868] change css to make the p in comment more margin
[#1079]  add js autosize textarea
[#1200] fix tip box display bug
[#1079]  add js autosize textarea
make a layout
change statics html
[#1346] integrate the prototype to the planner layout
[#972] 新建/编辑/删除 tasks
[#972] change the planner index code to tasks index
[#1070] To assign project creator to another member
[#1070] Add icon of project creator
[#1510] Fixed the bug that the project created time updated with the latest comment time.
delete some files to make structure  of static page files clear
[#1591]extract the css and html from static page [calendar.css and planners/index.html.erb]
	修改：      app/assets/stylesheets/application.css.scss
	修改：      app/assets/stylesheets/planner.css.scss
	新文件：    app/assets/stylesheets/planner/calendar.css
	删除：      app/assets/stylesheets/planner/mod.css
	修改：      app/views/planners/index.html.erb
	修改：      public/static Pages/docs/html/static.html
[#1591] To fix some typos
[#586] Implemented the new feature notification