Describe rst

[philippkraft]

Adds a reStructuredText description tool for Python 3.5 or later.

Usage:

rst = spotpy.describe.rst(sampler)
rst.append('This is a test for ``rst.append().``\n' * 10, 'Appending', 1)
rst.append_math(r'c = \sqrt{a^2 + b^2}')
rst.append(title='Image', titlelevel=2)
rst.append_image('https://img.shields.io/travis/thouska/spotpy/master.svg',
                 target='https://travis-ci.org/thouska/spotpy',
                 width='200px')

rst.show_in_browser()

Result:

[coveralls]

Pull Request Test Coverage Report for Build 493

• 73 of 78 (93.59%) changed or added relevant lines in 2 files are covered.
• 3 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.06%) to 89.35%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
spotpy/describe.py	57	62	91.94%
<!--	Total:	73	78	93.59%	-->

Files with Coverage Reduction	New Missed Lines	%
spotpy/algorithms/abc.py	1	89.72%
spotpy/algorithms/demcz.py	1	91.67%
spotpy/algorithms/fscabc.py	1	81.75%
<!--	Total:	3		-->

Totals
Change from base Build 490:	0.06%
Covered Lines:	4992
Relevant Lines:	5587

---

💛 - Coveralls