add lca2014 talk ref
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External references
===================
+* I `presented reclass`__ at `LCA 2014`_, which as been recorded:
+
+ * (Slides forthcoming)
+ * `Video recording`__
+
+__ http://linux.conf.au/schedule/30203/view_talk?day=wednesday
+__ http://mirror.linux.org.au/pub/linux.conf.au/2014/Wednesday/59-Hierarchical_infrastructure_description_for_your_system_management_needs_-_Martin_Krafft.mp4
+
+.. _LCA 2014: https://lca2014.linux.org.au
+
* I gave `a talk about reclass`__ at `DebConf13`_, which has been recorded:
* `Slides`__