added 'add backend services backend', global forwarding rules, target http proxies, and url maps
]fixed bug in global forwarding rules get
fixed whitespace issues
fixed whitespace issues
[google|sql] Use the correct directory for Google Cloud SQL examples
[aws|compute] fix mock az filtering

closes #3089
Merge remote-tracking branch 'new-upstream/master' into gce_l7

Conflicts:
	lib/fog/google/requests/compute/delete_backend_service.rb
correct files changes accidentally
correct issues in previous commit
fixed previous commit
remove excess file
added tests for list requests
corrected naming on tests
Merge pull request #3085 from frodenas/gce_sql

[google|sql] Use the correct directory for Google Cloud SQL examples
Fix parsing of SpotInstanceRequests responce when we also specify NetworkInterface
Fix to follow ruby code style
Merge pull request #3092 from goruha/DescribeInstancesResponse-SAX-parcer-fix

Fix parsing of SpotInstanceRequests responce when we also specify NetworkInterface
fixed image create
Merge pull request #3093 from snyquist2/gce_image_fix

[google|compute] fix for issue #3083, image create
openstack storage: add possibility to set publicity to containers