Merge pull request SciTools#705 from rhattersley/prep-0.13.1

Bump version for v0.13.1

v0.13.0 version string

Merge pull request SciTools#605 from marqh/rel0.12

version

Merge pull request SciTools#474 from pelson/INSTALL_update

Updated the INSTALL file with GEOS and pyepsg.

Merge pull request SciTools#453 from rhattersley/update-freetype

Update tests to work with recent freetype 2.4.

Cartopy v0.11.0

Cartopy v0.10.0

Cartopy v0.9.0

Release v0.8.0

Release v0.7.0