cloudflare/keyless — pull request #96 by buro9 (2014-12-16 16:56:28+00:00)
Title: Re-ordered usage information such that required options are called out and at the top.

The four args:
1. --server-cert
2. --server-key
3. --ca-file
4. --private_keys_directory
are now grouped together at the top of the usage information as being required.