Fixed almost all pylint errors in apache_configurator
Fixed many pylint errors in augeas_configurator.py
Fixed a few PEP8 violations
Fix some `pylint -E` errors
Merge remote-tracking branch 'github/letsencrypt/master' into pylint-errors

Conflicts:
	letsencrypt/client/client.py
setup.py docs, Sphinx dep
sphinx-quickstart
autodoc API documentation
Unify docs
Docs in CONFIG
Add newline at end of file
More unifying after merge with master
Add cover to Travis CI build matrix
Merge pull request #104 from kuba/pylint-errors

Fix some `pylint -E` errors
Merge pull request #105 from kuba/docs

Sphinx docs, various doc fixes
Merge pull request #106 from kuba/travis-cover

Add cover to Travis CI build matrix
Cleaned up augeas configurator
Finish merging fix_pylint_errors
Remove self from function call
Added namedtuples for key, csr in client