[SCM] Packaging for mathgl annotated tag, upstream/2.1.3.1, created. upstream/2.1.3.1

[Dimitrios Eftaxiopoulos]

The annotated tag, upstream/2.1.3.1 has been created
        at  b9deff469cb6edd3ea7c5cdea5a4e2f597dc5a7b (tag)
   tagging  e3751f9409a1b9552ddae45c3cee4c57e4f81bab (commit)
  replaces  upstream/2.1.3
 tagged by  Dimitrios Eftaxiopoulos
        on  Mon May 20 10:40:03 2013 +0300

- Shortlog ------------------------------------------------------------
Upstream version 2.1.3.1

Dimitrios Eftaxiopoulos (1):
      Imported Upstream version 2.1.3.1

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Packaging for mathgl