Added a summary of the whole cartopy package to the docs.
Merge pull request #216 from pelson/package_outline

Added a summary of the whole cartopy package to the docs.
plotting shapefiles tutorials
Added a gallery and examples to the documentation.
Merge pull request #218 from cpelley/plot_shapefile

Plotting shapefiles tutorial
publicised and extended COLOURS
Review actions for gallery.
Merge pull request #220 from cpelley/std_colours

Publicised and extended cartopy.features.COLOURS
Review actions
Corrected typo and pep8 indentation
Reverted title change - the title change is intended for the new document #222
Forced sphinx build to use the agg backend.
Merge pull request #224 from iedwards/rename_shapereader

Renaming shapereader documentation
Removed tags from example code downloads. Fixed suptitle usage with tight_layout.
Merge pull request #221 from pelson/gallery

Added a gallery and examples to the documentation.
Merge remote branch 'upstream/v0.6.x'

* upstream/v0.6.x:
  Removed tags from example code downloads. Fixed suptitle usage with tight_layout.
  Forced sphinx build to use the agg backend.
  Corrected typo and pep8 indentation Reverted title change - the title change is intended for the new document #222
  Review actions
  Review actions for gallery.
  publicised and extended COLOURS
  Added a gallery and examples to the documentation.
  plotting shapefiles tutorials
  Added a summary of the whole cartopy package to the docs.