Added links to GitHub repo and issue tracker.
Added links to GitHub repo and issue tracker.

This will display "Bug tracker" and "Source repository" fields
on Hackage in order to facilitate access to these resources.
See http://hackage.haskell.org/package/base for an example.

Minoru/hakyll,Javran/hakyll,freizl/freizl.github.com-old,freizl/freizl.github.com-old,freizl/freizl.github.com-old,oldmanmike/hakyll,freizl/freizl.github.com-old,freizl/freizl.github.com-old,freizl/freizl.github.com-old,beni55/hakyll,d12frosted/hakyll,freizl/freizl.github.com-old