* Fix assigned/created issues in dashboard. (#3560)
* Fix assigned/created issues in dashboard.
* Use GetUserIssueStats for getting all Dashboard stats.
* Use gofmt to format the file properly.
* Replace &Issue{} with new(Issue).
* Check if user has access to given repository.
* Remove unnecessary filtering of issues.
* Return 404 error if invalid repository is given.
* Use correct number of issues in paginater.
* fix issues on dashboard