myspace: add the credentials-valid capability
myspace: add the credentials-valid capability

GNOME/libsocialweb,lcp/libsocialweb,GNOME/libsocialweb,lcp/libsocialweb,lcp/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth,ThomasBollmeier/libsocialweb-flickr-oauth,GNOME/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth