lxc-fedora template. Cleanup for rootfs.

lxc-fedora template. Cleanup for rootfs.

This is just some minor changes in the way the Fedora template is
synthesizing the target rootfs_path.  Currently, the template uses a
path with the container in it twice like this:

/var/lib/lxc/rasputin/rasputin/rootfs

This happens because the container name is already contained in the
"path" and the template appends it a second time.  This changes the
logic to be congruent with other templates such as lxc-arch.  The new
behavior will be to create the rootfs like this:

/var/lib/lxc/rasputin/rootfs

Attached below the jump.

Regards,
Mike
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Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw@WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
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Signed-off-by: Michael H. Warfield <mhw@WittsEnd.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>