[SCM] Eigen3 packaging. annotated tag, upstream/3.1.1, created. upstream/3.1.1

[Anton Gladky]

The annotated tag, upstream/3.1.1 has been created
        at  639138772ebb326ad53a0ec29c387b09b82d7e8e (tag)
   tagging  d1be07a9d0186f0fbda19b8603c3b8d7946fd120 (commit)
  replaces  upstream/3.1.0
 tagged by  Anton Gladky
        on  Tue Jul 24 20:44:54 2012 +0200

- Shortlog ------------------------------------------------------------
Upstream version 3.1.1

Anton Gladky (1):
      Imported Upstream version 3.1.1

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Eigen3 packaging.