dnf-0.5.1

[Ales Kozumplik]

Hello,

I've built 0.5.1 for both Rawhide and F20 today. Because 0.5.0 did not 
get built for F20, the current release entails a rather large f20 update 
[1]. Also see the blog post [2] and the release notes [3].

Cheers,
Ales

[1] 
https://admin.fedoraproject.org/updates/hawkey-0.4.14-1.fc20,dnf-0.5.1-1.fc20
[2] https://dnf.baseurl.org/2014/05/02/dnf-0-5-1-released/
[3] http://akozumpl.github.io/dnf/release_notes.html#id32