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.
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