Conform to stricter rules in newer pep8.
Allow for very minor source/rendering differences.
Update tests to work with recent freetype 2.4.
Merge pull request #452 from rhattersley/web-tile-tolerance

Allow for very minor source/rendering differences.
Merge pull request #450 from rhattersley/fix-pep8

Conform to stricter rules in newer pep8.
Merge pull request #453 from rhattersley/update-freetype

Update tests to work with recent freetype 2.4.
Use parser.add_argument(choices=...) to simplify code.
Add option for download directory in script.

This would be helpful for, e.g. packagers, who don't want to download
things for local use, but rather get everything in place to create a
package.
Increase resolution of GSHHS for downloading.

Because the coarse level dataset is included with cartopy, using that
resolution to trigger a download does nothing. That's not really what
the download script is expected to do.
Merge pull request #459 from QuLogic/download-output-dir

Download script additions.
Fixed the gridliner test to handle backends which do not correctly trigger draw (e.g. GtkAgg).
Fixed Natural Earth downloading (URL has moved) by pointing it to github.
Updated the web_tiles test image.
Merge pull request #473 from pelson/web_tiles_image_change

Updated the web_tiles test image.
Merge pull request #472 from pelson/natural_earth_404

Fixed Natural Earth downloading (URL has moved) by pointing it to github.
Merge pull request #471 from pelson/gridliner_test_gtkagg

Fixed the gridliner test to handle backends which do not correctly trigger draw (e.g. GtkAgg).
Updated the INSTALL file with GEOS and pyepsg. Closes #454.
Merge pull request #474 from pelson/INSTALL_update

Updated the INSTALL file with GEOS and pyepsg.
Merge pull request #475 from SciTools/v0.11.x

V0.11.x
lon rotation