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
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
added tests for http health checks, images, target pools, and forwarding rules
Merge branch 'master' into gce_l7
Merge branch 'master' into gce_l7

Conflicts:
	lib/fog/google/requests/compute/insert_image.rb
modified l7 load balancing example
Merge pull request #3078 from snyquist2/gce_l7

[google|compute] added more HTTP load balancing resources