Fix incorrect use of add_copy_specs() in system plug-in

The system plug-in tries to pass a naked string to add_copy_specs().
This causes each character of the string to be passed down to an
invocation of add_copy_spec():

add_copy_specs(copyspecs=/proc/sys, sub=None)
add_copy_spec(copyspec=/, sub=None)
add_copy_spec(copyspec=p, sub=None)
add_copy_spec(copyspec=r, sub=None)
[...]

Collecting '/' is clearly a bad idea (see Issue #141).

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Fix typo in logs plug-in

s/)[/])/

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Fix superclass initialiser invocation in sanlock

The RedHatSANLock initialiser used the wrong class name when
determining the parent class initialiser to invoke.

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>