Add case for reason decision (RhBug:1452090)
Add case for reason decision (RhBug:1452090)

In case of install when only 2 packages with same NEVRA available, it returns
reason user and not dep.

https://bugzilla.redhat.com/show_bug.cgi?id=1452090

Closes: #289
Approved by: ignatenkobrain

rpm-software-management/libdnf,hughsie/libhif,edynox/libdnf,Conan-Kudo/libhif,rpm-software-management/libdnf,edynox/libdnf,rpm-software-management/libdnf,edynox/libdnf,rpm-software-management/libdnf,edynox/libdnf,rpm-software-management/libhif,hughsie/libhif,Conan-Kudo/libhif,rpm-software-management/libhif,Conan-Kudo/libhif,rpm-software-management/libhif,hughsie/libhif,hughsie/libhif,Conan-Kudo/libhif,rpm-software-management/libhif