[SCM] efficient 2D data-plotting library branch, master, updated. debian/2.2.1-4-7-g6f09ecd

[Picca Frédéric-Emma?==?UTF-8?Q?nuel]

The following commit has been merged in the master branch:
commit 4d2ad6b3794e85b224e53bfc6a19c37a4fd66e54
Merge: 6cfa4bbf7aee776dbf6f6985ae9888065ffe9b79 9baeafef2627f39b41d5038faa41878aa1a4a26b
Author: Picca Frédéric-Emmanuel <picca at debian.org>
Date:   Fri May 24 09:13:03 2013 +0200

    Merge tag 'upstream/2.3.0'
    
    Upstream version 2.3.0


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efficient 2D data-plotting library