Write logger output to stderr to conform to convention

Writing log to stdout causes issues when piping.
Implement Rackspace Monitoring Agent Host information
minor fix for get_filesystems_info.
[general] Allow default wait_for interval to be overiden globally.
Merge remote-tracking branch 'upstream/master'
Create parser for AWS assign private ip addresses
Assign private ip parser
add assign private ip request path
Merge branch 'master' of https://github.com/fog/fog into AddAgentHostInfo
vApp rename via put_vapp_name_and_description
use std options={} format for optional parameters
Find all and by-name Mock for Query API orgVdcNetwork

* Just for OrgVdcNetwork for now
* Be clear about what options/queries are unimplemented
* Expand tests to cover mocks
* comment to explain gnarly test logic
* :page=1 results handled
improve network mock test data, to include vdc & IsShared
fix tests for running against live environment
make Mock vcloud_director_host an FQDN
[vclouddirector] Shore up tests re EdgeGateway

ruby 1.8.7 highlighted tests fail if first vdc does not have an edge gateway
rename Mock vcloud_director_host to pass URI.parse
[general] Merge Forg.interval and Fog.timeout into a single file.
Update S3 ACL whitelist
[core] use Excon :persistent option