libcloud: example

[laszewsk]

P:50 develop further the

• examples/_libcloud_ec2.py
• examples/_libcloud_aws.py

integrate more list functions

• you need to look them up in the ec2.py file within the libcloud driver
• see what works and what does not
• do this for both ec2 and aws

integrate key management upload key remove key list key and if they have download key