ignore .ds_store
support for subnet and scheme when creating a load balancer (vlan)

[ Ref #404 ]
rename subnetId to subnetIds convention [ Ref #404 ]
Merge branch 'develop' into vpc-support
Revert "Merge branch 'develop' into vpc-support"

This reverts commit 66f9bc83b362ad7fdc6fac4260c9a71cc964bb52, reversing
changes made to a432bffbec39f267872f113cb4a8e21be1eb2045.
Changed scheme->type for specifying internal load balancer.
Renamed subnets->providerSubnetIds. Added providerSubnetIds to LoadBalancer.
Merge pull request #1 from TheWeatherCompany/vpc-support

Vpc support - Ref #424