Implemented dot line for last date of sprint burndown chart.

Test Plan: no plan

Reviewers: teppo, male

Differential Revision: http://wunder.sytes.net:81/D7
Small fix.
Changed dates of done and added tasks, now it's better :D
Implemented flash message policy.
Bug fix for policy.
Fixed response local writing.
Implemented flash message show.
Added flashMessage policy to all routes.
Implemented flash messages to login.
Implemented dot line for last date of sprint burndown chart.

Test Plan: no plan

Reviewers: teppo, male

Reviewed By: teppo

Differential Revision: http://wunder.sytes.net:81/D7