Completely disable the LinBox commentator

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/12629">trac #12629</a>.

Diff for the linbox spkg, for review only

Reported by: jdemeyer

Component: packages

CC: 

Report Upstream: N/A

Authors: Jeroen Demeyer

Dependencies: 

Work issues: 

Reviewers: Martin Albrecht

Merged in: sage-5.0.beta8

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/12629/linbox-1.1.6.p7.diff">linbox-1.1.6.p7.diff: Diff for the linbox spkg, for review only</a> by jdemeyer at 20120306T13:10:32</li></ol>