Used publicURL as default endpoint type for OpenStack network
Passing the connection_options parameter to underlying Fog::Storage object.

This aids in scenarios where you want to maintain the s3.amazonaws.com hostname
(for S3 client compatibility), but want to store data in Riak CS.
Passing the connection_options parameter to underlying Fog::Storage object
for Fog::RiakCS::Provisioning.
Google Cloud Compute now raises Errors rather than throwing them.
Added destroy method to disk and zone method
Merge pull request #1960 from jordanbull/master

[google|compute] Destroy for disk.
Merge pull request #1820 from ceraslabs/publicUrl

Used publicURL as default endpoint type for OpenStack network
Merge pull request #1919 from hectcastro/hc-riakcs-usage-connection-options

Passing the connection_options parameter to underlying Fog::Storage in Fog::RiakCS::Usage
add license to gempsec

closes #1957