added __init__ file to boundaries folder
Removed auto-generated doc files.
Moved all png images into images folder.
Removed auto-generated modules.rst.
Reference png files in images folder.
Added a pre-hook that calls sphinx-apidoc.
Build docs as part of Travis CI.
Merge remote-tracking branch 'upstream/master' into add-autobuild-docs

Conflicts:
	.travis.yml
Merge pull request #85 from mcflugen/add-autobuild-docs

Clean up the docs folder
initialized count on "diagonal links"
Delete CHANGES.txt
Delete LICENSE
Delete degraded_scarp.nc
ignore .png files
minor typographic tweak

Removing the “_ = “ stops Spyder complaining about an unused variable.
Improved color handling for hexplot
Merge branch 'master' of https://github.com/landlab/landlab
Don't ignore PNG files in the docs folder.
Use latest version of miniconda.
Merge remote-tracking branch 'upstream/master' into fix-run-travis-test