There is no sense to keep an old version in EPEL7 before the freeze. Please, update to the latest version and tons of bugs in the bugzilla.
Very much agreed, 0.9 to 1.0 has been a huge jump in usability.
LXC has been updated to 1.0.5 in EPEL7, see http://koji.fedoraproject.org/koji/buildinfo?buildID=551612