force urls from jeos config to be strings
force urls from jeos config to be strings

In RHEL 6 the url grab fails without this because, presumably, it is being passed a unicode
string.  Adding the str() wrapper resolves this and should be harmless.

jmcabandara/imagefactory,LalatenduMohanty/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory,redhat-imaging/imagefactory,LalatenduMohanty/imagefactory