Added URL checker and corresponding CI job. Removed travis related files....

Added URL checker and corresponding CI job. Removed travis related files. Replaced hard-coded links in documentation by cross-linking directives.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
6 jobs for v0.9.1 in 62 minutes and 22 seconds (queued for 15 minutes and 34 seconds)
Status Name Job ID Coverage
  Test
failed test_spechomo #52921

00:01:27

77.0%
failed test_spechomo_install #52924

01:00:01

passed test_styles #52922

00:00:08

passed test_urls #52923

00:00:44

 
  Deploy
skipped create_github_release #52926
skipped deploy_pypi #52925
 
Name Stage Failure
failed
test_spechomo_install Test The script exceeded the maximum execution time set for the job
Preparing transaction: ...working... done
Verifying transaction: ...working... done
Executing transaction: ...working... done
$ conda install -y -c conda-forge cartopy gdal geopandas pyproj scikit-image shapely
Collecting package metadata (current_repodata.json): ...working... done
Solving environment: ...working... failed with initial frozen solve. Retrying with flexible solve.
Solving environment: ...working... failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): ...working... done
Solving environment: ...working...
ERROR: Job failed: execution took longer than 1h0m0s seconds
failed
test_spechomo Test
spechomo/utils.py                    85     22    74%
spechomo/version.py 2 0 100%
-----------------------------------------------------
TOTAL 1525 348 77%
-----------------------------------------------------------------------------
41 tests run in 27.363 seconds.
2 errors (39 tests passed)
make: *** [Makefile:82: nosetests] Error 1
ERROR: Job failed: exit code 1