From: John Kitchin <jkitchin@andrew.cmu.edu>
Date: Fri, 30 Jan 2015 15:05:34 +0000 (-0500)
Subject: polish link timer code.
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;ds=sidebyside;h=cc12e79e8397354596f628a482587bf537469bb9;hp=cc12e79e8397354596f628a482587bf537469bb9;p=org-ref.git

polish link timer code.

avoid starting multiple timers
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