[SCM] Eigen3 packaging. branch, master, updated. upstream/3.1.0_alpha1-61-gc11d4f5

[Anton Gladky]

The following commit has been merged in the master branch:
commit 415a41262b27ba10e97b125ddab797d3e070fbf9
Merge: 48755b49856199dce06e39057a049d65220d2f5f 154466ecdb59a2e56cf021d60bd2ec0b35f8e29f
Author: Anton Gladky <gladky.anton at gmail.com>
Date:   Mon Feb 6 21:11:52 2012 +0100

    Merge commit 'upstream/3.1.0-alpha2' into experimental


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Eigen3 packaging.