CI setup now updates ci_env environment installed via docker_pyenvs instead of creating an independent environment.

CI Python environment is not separate from the base env. Fixed mixed channels for gdal and libgdal causing libkea issue during CI.

Moved several functions to py_tools_ds. Removed deprecated functions. Removed io and utilities modules.

Daniel Scheffler authored Sep 12, 2017 and Daniel Scheffler committed Sep 12, 2017

Revised docker container setup. Verified Windows compatibility for tests.  Updated minimal versions of py_tools_ds and geoarray. Updated README files. Some PEP8-editing. Disabled multiprocessing in case of Python 2. Verified Python 2 compatibility.

updated __version__ and __versionalias__

updated __version__ and __versioninfo__