Make the 'command line usage' section slightly more readable
Fixed small typo in usage()
Correct dependency.
Merge pull request #23 from skorokithakis/master

Correct dependency.
Merge pull request #18 from martijnbastiaan/master

Fixed small typo in usage()
Merge pull request #14 from frewsxcv/patch-1

Make the 'command line usage' section slightly more readable
Fixed issue #27
Merge branch 'master' of github.com:letsencrypt/lets-encrypt-preview
Merge remote-tracking branch 'github/master' into setuptools-script

Conflicts:
	README.md
	letsencrypt.py
Remove trailing whitespace in README