Add the ability to browse issues

[dima767]

If project exposes issues, display them.

[intabulas]

issue integration is implemented in my fork. A pull request has already been sent

[dennisreimann]

thanks to intabulas a basic version of this is implemented (and integrated into the master)

[dennisreimann]

Browsing issues is now integrated, but I guess we will polish the edges some more. For now, this issue can be seen as closed.