Merge pull request GoogleCloudPlatform#96 from danisla/disable-ssh

added ssh_fw_rule var to disable creation of ssh rule

make diagram links absolute

Merge pull request GoogleCloudPlatform#81 from danisla/mig-1-1-13

mig to version 1.1.13

Merge pull request GoogleCloudPlatform#68 from GoogleCloudPlatform/da…

…nisla-mig-1-1-10

mig module to 1.1.10

Merge pull request GoogleCloudPlatform#64 from danisla/add-instance-l…

…abels

adds labels to instances

Update to example tests

Merge pull request GoogleCloudPlatform#37 from danisla/fix-sysctl-conf

persist net.ipv4.ip_forward=1 in /etc/sysctl.conf

Merge pull request GoogleCloudPlatform#26 from danisla/regional-gke-c…

…luster-support

[GKE Example] Support for Regional and Private Clusters

Merge pull request GoogleCloudPlatform#24 from danisla/ip-address-input

Variable for external IP reservation name and region list update

updated path in gke-nat-gateway example to use relative repo