Write logger output to stderr to conform to convention

Writing log to stdout causes issues when piping.
Changed openstack server model to build security group objects without generating deprication warning messages
Removed host from SQS connection request arguments
Revert "[aws|sqs] remove host/port from request"

This reverts commit 8c5ea5d43b17be2691ce8130f4bfeb934693fdb4.
Merge pull request #2547 from amysutedja/sqs_excon_host_fix

AWS SQS signature mismatch and Excon warning fixes
Merge pull request #2545 from howech/master

Changed openstack server model to build security group objects without generating deprication warning messages
Closes #2469

Monitoring-specific soluton to pagination. 'marker' was being extracted but not stored.
fix get_bucket_acl request method in Google Cloud Storage
Merge pull request #2551 from elight/monitoring_pagination

[Rackspace] Monitoring pagination fix
[libvirt] fix readme gem reference

Closes #2553
Merge pull request #2554 from allomov/fix-get-bucket-acl

[google] Fix get_bucket_acl request method in Google Cloud Storage
Merge pull request #2549 from jsmapr1/master

Return Private IPs in an array using AWS Describe Network Interface
fix put_bucket_acl request for Google Cloud Storage service
remove unnecessary duplication in put_bucket_acl request in Google storage
add put_object_acl request to Google Cloud Storage service
Ported fog rackspace storage docs for OpenStack
Oops. Missed a couple of deletions of CDN stuff.
Merge pull request #2560 from elight/rackspace_storage_docs

[OpenStack] Ported fog Rackspace storage docs to OpenStack
No, we don't want people hitting up Rackspace specifically about OpenStack docs. It's a joint effort!
Adds getting started guide for OpenStack fog