[SCM] Eigen3 packaging. annotated tag, upstream/3.1.0_alpha1, created. upstream/3.1.0_alpha1

[Anton Gladky]

The annotated tag, upstream/3.1.0_alpha1 has been created
        at  7d8a244951b8cd2e834bae6f90c6897a9af1df8d (tag)
   tagging  d9d330e03412d69cc05a7d05abe6a59baf45bb7d (commit)
  replaces  upstream/3.0.4
 tagged by  Anton Gladky
        on  Tue Dec 6 23:32:43 2011 +0100

- Shortlog ------------------------------------------------------------
Upstream version 3.1.0~alpha1

Anton Gladky (1):
      Imported Upstream version 3.1.0~alpha1

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Eigen3 packaging.