* fix all the bugs in issues and pulls on dashboard

* small fix and refactor

* add method getRepoIDs for IssueList

* 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

This commit improves templates readability, since all of them use consistent
indent with all template command blocks indented too.

1. Indents both HTML containers such as <div>, <p> and Go HTML template blocks
   such as {{if}} {{with}}

2. Cleans all trailing white-space

3. Adds trailing last line-break to each file