ENH: add tests to zonalstats (#232)

* ADD: tests for zonalstats
* REM: remove unneeded code, fix Exception

ENH: add tests to `util` (#231)

* ENH: add tests to `util`
* ADD: `roll2d_polar`-test

FIX: fix travis, local conda install

FIX: fix tests, fix license, fix links, clean up

WIP: without notebooks and docs (#230)

MIN: rework setup.py [skip ci]

ENH: rename _runTest according to notebook-name, move coverage import, [skip ci]

ENH: use setuptools, make testrunner a console_script

Wip docs 2 (#229)

* WIP: remove doc template and css
* FIX: fix install requirements

Wip docs (#227)

* DOC: minor doc edits
* WIP: doc edits in `io.iris.py`
* WIP: minor doc edits, remove next-shadow
* DOC: remove stale images

Merge pull request #226 from kmuehlbauer/ipolfix

Fixing dimensions issue in ipol and add tests

FIX: `scripts/build_docs.sh` [ci-skip]

FIX: backticks

(cherry picked from commit 554b21c)

DOC: Fix backticks.

Fix bugs in new ipol tests.

Fix flake8 issues.

Fixing dimensions issue in ipol and add tests,

This refers to issue #171. Fixes the inconsistent behaviour in ipol in case falt arrays are passed. Also adds some tests for ipol as well as adjust.

DOC: fix docs, remove deprecated (#225)

* DOC: fix linkcheck, remove non-wradlib-related docs, remove deprecated functions, fix version
* FIX: fix tests, fix notebooks, fix docstrings, renamed function to `centroid_to_polyvert`
* FIX: do flake8 test before installing miniconda

ENH: enable wradlib-docs-devel repo for uploading docs from PR-builds… (#222)

* ENH: enable wradlib-docs-devel repo for uploading docs from PR-builds and non-master-branch builds

* ENH: docstring review

* MIN: fix version

* MIN: flakify

* MIN: fix `max_intensity_projection`

FIX: flakify (#221)