(refs $#498)Don't show private repo user doesn't have permission

This fix in the dashboard pull request view
But this fix still has a problem show wrong count number pull request.
(refs #498)Returns private own repository

RepositoryService.getAllRepositories should returns
private own repository too.
(refs #498) Correct pull request counts
(refs #498)Reformat counting pull request query
Merge branch 'fix-498-dash-pr'
Simplify query
Merge pull request #500 from mrkm4ntr/split-diff-style

Modify styles of split diff.