Performance improvements released for pull request view

We update Backlog each about 2 or 3 weeks.

We hope it helps you to use Backlog.

Changes in this release

1. We changed the link destination of the project icon from dashboard to project home.
   
   As we noticed, we changed the link destination. If you want to go to dashboard, please use the link on globalbar.
2. We improved performance of pull-request detail.
   Pull-request view that has many comments took over 10 seconds. It will take 1 second by our improvement !
3. We took security measures.
4. We fixed several small problems.