[SCM] efficient 2D data-plotting library annotated tag, upstream/2.1.3, created. upstream/2.1.3

[Frédéric-Emmanuel PICCA]

The annotated tag, upstream/2.1.3 has been created
        at  459cbbe6d181b53355d8cea3fe1ce98ac467b5d0 (tag)
   tagging  1b70ea7dbd5c3c37c16411311e8a52fbdb1e0ab7 (commit)
  replaces  upstream/2.1.2
 tagged by  Frédéric-Emmanuel PICCA
        on  Fri May 6 14:19:38 2011 +0200

- Shortlog ------------------------------------------------------------
Upstream version 2.1.3

Frédéric-Emmanuel PICCA (1):
      Imported Upstream version 2.1.3

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efficient 2D data-plotting library