Add listener.ssl_certificate_id support to AWS ELB
health_check is an optional parameter for ELBs
More descriptive variable names for pipes.
providers/google: first pass
providers/google: google_compute_address
providers/google: compute_address tests
Update resource_provisioner.go

Better variable name.
providers/google: compute_instance
providers/google: support tags on compute_instance
providers/google: compute_instance supports metadata
providers/google: can assign IP to instance
providers/google: compute_disk
fmt
providers/google: support disks coming from other disks
providers/google: compute_network
providers/google: compute_firewall
providers/google: proper resource type in error message
providers/google: compute_route
providers/google: check operations for errors
providers/google: on refresh, treat 404 as resource gone