Add documentation for --concurrency switch
Merge pull request #147 from philk/parallel_doc

Add documentation for --concurrency switch
Fix Python thinking a boolean is an int
Fix parallel print statement
Further parallel output fixes
Remove use of credentials(). Fabric handles all those tasks
itself, and modifications made by credentials function interacted
negatively with fabric's functionality.
Username and keypair file should be valid credentials.
Merge pull request #148 from michaelballantyne/master

Fix ssh config by letting fabric do it
Fixes #146
Be more general when listing supported distros
Fixes #137
Another small paralell printing fix
Fix configuring a node when no file exists
Update /etc/issue matching for Debian Wheezy

Wheezy now has 'Debian GNU/Linux 7.0' in /etc/issue.
Merge pull request #149 from knyar/patch-1

Update /etc/issue matching for Debian Wheezy
Pin Fabric to version 1.5.4
Fixes #151
Release version 1.5.0
fix bug where prompt fails while using node:all and parallel
Merge pull request #152 from chrismoos/master

Using node:all with concurrency flag fails because prompt can't be displayed
Fix test not expecting node name
Don't use ssh, use paramiko instead. Let fabric pull in paramiko
Release 1.5.1