Show the details of what resources will be created

[yissachar]

Fixes #394

Current output of create/update (only using small portion of output for brevity):

LaunchConfiguration launchConfiguration/master-us-east-1e.masters.foo.bar.com
LaunchConfiguration launchConfiguration/nodes.foo.bar.com
AutoscalingGroup    autoscalingGroup/nodes.foo.bar.com
AutoscalingGroup    autoscalingGroup/master-us-east-1e.masters.foo.bar.com

After this PR:

LaunchConfiguration launchConfiguration/nodes.foo.bar.com
    ImageID 282335181503/k8s-1.3-debian-jessie-amd64-hvm-ebs-2016-06-18
    InstanceType    t2.medium
    SSHKey  id:foo.bar.baz.com-2e:a2:34:3a:19:b1:b2:58:26:40:7c:a0:1a:1b:23:83
    SecurityGroups  [id:<nil>]
    AssociatePublicIP   true
    IAMInstanceProfile  id:nodes.foo.bar.com
    RootVolumeSize  20
    RootVolumeType  gp2
LaunchConfiguration launchConfiguration/master-us-east-1e.masters.foo.bar.com
    ImageID 282335181503/k8s-1.3-debian-jessie-amd64-hvm-ebs-2016-06-18
    InstanceType    t2.medium
    SSHKey  id:foo.bar.baz.com-2e:a2:34:3a:19:b1:b2:58:26:40:7c:a0:1a:1b:23:83
    SecurityGroups  [id:<nil>]
    AssociatePublicIP   true
    IAMInstanceProfile  id:masters.foo.bar.com
    RootVolumeSize  20
    RootVolumeType  gp2
AutoscalingGroup    autoscalingGroup/master-us-east-1e.masters.foo.bar.com
    MinSize 1
    MaxSize 1
    Subnets [id:<nil>]
    Tags    {k8s.io/dns/internal: api.internal.foo.bar.com, k8s.io/dns/public: api.foo.bar.com, k8s.io/role/master: 1, Name: master-us-east-1e.masters.foo.bar.com, KubernetesCluster: foo.bar.com}
AutoscalingGroup    autoscalingGroup/nodes.foo.bar.com
    MinSize 1
    MaxSize 1
    Subnets [id:<nil>]
    Tags    {KubernetesCluster: foo.bar.com, k8s.io/role/node: 1, Name: nodes.foo.bar.com}

[justinsb]

So awesome - thanks @yissachar