* Remove fetch request from heatmap
Render heatmap data directly to HTML, eliminating one HTTP request on
frontpage and user profile. Also added min-height to the container so
the page content will no longer move after loading.
* rename and error display
* also log the js error
* add error handler
* remove useless inline style and hide divider on small screens
* Update routers/user/home.go
* Update routers/user/profile.go
