joss-paper: first stab

Updates gonum/gonum#195.
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+---
+title: 'Gonum: consistent, composable and comprehensible scientifc code'
+tags:
+  - Go
+  - Linear Algebra
+  - Lapack
+  - BLAS
+  - Statistics
+authors:
+  - name: Sebastien Binet
+    orcid: 0000-0003-4913-6104
+    affiliation: 1
+affiliations:
+  - name: IN2P3
+    index: 1
+date: 15 August 2017
+bibliography: paper.bib
+---
+
+# Summary
+
+Gonum provides tools enabling scientific research through consistent,
+composable and comprehensible scientific code.
+Gonum aims to be the equivalent of NumPy/SciPy but for the Go programming
+language.
+
+Gonum strives to deliver code that run fast (as fast as C/C++ or Fortran)
+and code that is as easy to write than in Matlab, R or Python.
+Gonum is still being actively developed but already offers a solid set of
+packages, providing matrices and linear algebra; statistics functions,
+probability distributions and sampling routines; finding the extrema of functions; and tools to compute numerical derivatives.
+
+# References
+