pytroll/satpy: Version 0.16.0

Issues Closed Issue 795 - Composites delayed in the presence of non-dimensional coordinates (PR 796) Issue 753 - seviri l1b netcdf reader needs to be updated due to EUM fixing Attribute Issue (PR 791) Issue 734 - Add a compositor that can use static images (PR 804) Issue 670 - Refine Satellite Position Issue 640 - question: save geotiff without modifying pixel value Issue 625 - Fix inconsistency between save_dataset and save_datasets (PR 803) Issue 460 - Creating day/night composites (PR 804) In this release 7 issues were closed. Pull Requests Merged Bugs fixed PR 805 - Fix 3a3b transition in the aapp l1b reader PR 803 - Fix save_datasets always using geotiff writer regardless of filename (625, 625) PR 802 - Factorize and improve modis reader's interpolation PR 800 - Fix 'virr_l1b' reader when slope attribute is 0 PR 796 - Drop non-dimensional coordinates in Compositor (795, 795) PR 792 - Bug mitiff writer when only one channel is to be written with calibration information PR 791 - Fix handling of file attributes in seviri_l1b_nc reader (753) Features added PR 821 - Remove warning about unused kwargs in YAML reader PR 820 - Add support for NWCSAF GEO v2018, retain support for v2016 PR 818 - Add TLEs to dataset attributes in avhrr_l1b_gaclac PR 816 - Add grouping parameters for the 'viirs_sdr' reader PR 814 - Reader for Hydrology SAF precipitation products PR 806 - Add flag_meanings and flag_values to 'viirs_edr_active_fires' categories PR 805 - Fix 3a3b transition in the aapp l1b reader PR 804 - Add compositor for adding an image as a background (734, 460) PR 794 - Add 'orbital_parameters' metadata to all geostationary satellite readers PR 788 - Add new 'crs' coordinate variable when pyproj 2.0+ is installed PR 779 - Add TROPOMI L2 reader (tropomi_l2) PR 736 - CF Writer: Attribute encoding, groups and non-dimensional coordinates. Plus: Raw SEVIRI HRIT metadata PR 687 - Add Vaisala GLD360-reader. Documentation changes PR 797 - Sort AUTHORS.md file by last name Backwards incompatible changes PR 822 - Deprecate old reader names so that they are no longer recognized (598) PR 815 - Remove legacy GDAL-based geotiff writer support In this release 23 pull requests were closed