Merge pull request #48 from phobologic/add_ssh_cert_authority

Add ssh-cert-authority to SSH section

README.md

@@ -501,6 +501,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 * [DSH](http://www.netfort.gr.jp/~dancer/software/dsh.html.en) - Dancer's shell / distributed shell - Wrapper for executing multiple remote shell commands from one command line.
 * [Mosh](http://mosh.mit.edu/) - The mobile shell.
 * [parallel-ssh](http://code.google.com/p/parallel-ssh/) - Provides parallel versions of OpenSSH and related tools.
+* [ssh-cert-authority](https://github.com/cloudtools/ssh-cert-authority) - A democratic SSH certificate authority.
 * [ssh-ca](https://github.com/cloudtools/ssh-ca/) - Allows giving ssh access to servers without putting a users key on the server, as well as expiring access.
 * [SSH Power Tool](http://code.google.com/p/sshpt/) - Execute commands and upload files to many servers simultaneously without using pre-shared keys.
 * [sshrc](https://github.com/Russell91/sshrc) - sources ~/.sshrc on your local computer after logging in remotely.