The following patch adds a missing 'msg=' syntax. An exception is raised
in ansible if this block is reached during the execution of the module
TypeError: fail_json() takes exactly 1 argument (2 given)
With the 'msg=' added, you get a more informative error. For example
msg: No settings provided to update_domain().
* Catch issues with invalid regions
* Ensure we send string only data as meta values in the rax module
* Add public_key/lookup example for rax_keypair
* Clean up import statements
