Merge pull request GoogleCloudPlatform#35 from danielezer/master

Use the module_enabled flag for all resources

Merge pull request GoogleCloudPlatform#30 from danisla/update-default…

…-image

update default_image value to prevent perma-diff

fix for disabled module

Merge pull request GoogleCloudPlatform#25 from danisla/instance-group…

…-trigger

dummy_dependency to trigger when instance template changes

Merge pull request GoogleCloudPlatform#24 from danisla/import-tests

Import of automated regression tests

restore rolling_update_policy to zonal mig

Merge pull request GoogleCloudPlatform#19 from danisla/import-examples

Import of examples

Merge pull request GoogleCloudPlatform#14 from AndrewFarley/master

Zonal enabled + module disabled throws error

Merge pull request GoogleCloudPlatform#5 from Pindar/master

feat: make ssh source range configurable

compat with terraform v0.11.0, added update_strategy input variable