Merge pull request #696 from s0undt3ch/develop

Encode to `ascii` the returned data on the list size, images and locations on `saltcloud.libcloudfuncs`
Merge pull request #705 from s0undt3ch/develop

IMBSCE needs to have `get_location` namespaced.
Adding avail_locations to ibmsce
Merge pull request #706 from techhat/ibmsce

Adding avail_locations to ibmsce
Allows passing in the volume_id to attach instead of creating new EBS volumes in the EC2 driver.
Merge pull request #709 from abemusic/issues/708

Fixes issues #708
`__active_provider_name__` shall be considered a built-in regarding pylint.
IMBSCE takes quite a while to spin up. Refs #710.