Added JOSS paper

paper/paper.bib

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+@article{julia,
+	Eprinttype = {arXiv},
+	Author = {Jeff Bezanson and Alan Edelman and Stefan Karpinski and Viral B. Shah},
+	Eprint = {1411.1607},
+	Month = {November},
+	Eprintclass = {cs.MS},
+	Title = {{J}ulia: A Fresh Approach to Numerical Computing},
+	Year = {2014}
+}
+
+@Book{knitr,
+    title = {Dynamic Documents with {R} and knitr},
+    author = {Yihui Xie},
+    publisher = {Chapman and Hall/CRC},
+    address = {Boca Raton, Florida},
+    year = {2015},
+    edition = {2nd},
+    note = {ISBN 978-1498716963},
+    url = {http://yihui.name/knitr/},
+}

paper/paper.md

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+---
+title: 'Weave.jl: Scientific Reports Using Julia'
+tags:
+  - Scientific reports
+  - Julia
+authors:
+ - name: Matti Pastell
+   orcid: 0000-0002-5810-4801
+   affiliation: 1
+affiliations:
+ - name: Natural Resources Institute Finland (Luke)
+   index: 1
+date: 6 March 2017
+bibliography: paper.bib
+---
+
+# Summary
+
+Weave is a tool for writing scientific reports using Julia
+[@julia]. It allows writing of text, mathematics and code in a single
+document which can be run capturing results into a rich report.
+Output can include text using several markup languages, plots
+generated using one of the several Julia plotting libraries and other
+objects displayed using Julia's multimedia output. The workflow is
+very similar to using Knitr [@knitr] R-package.
+
+Weave supports noweb, markdown, script syntax for delimiting code from
+text in the source document and several output formats including
+Markdown and Latex. The output from code can be controlled using chunk
+options making it possible e.g. to hide code and only show output when
+needed as well as set a figure caption and figure size. The library
+also has methods for converting documents from all input formats to
+Jupyter notebooks and vice versa.
+
+The package aims to support writing scientific papers and enable easy
+sharing of analysis in order to promote reproducible research. It also
+aims to enable simple writing of educational material, tutorials and
+blog posts.
+
+# References