Support for OnCommand Cloud Manager 3.3.0

** aws_standalone
ADD: Berksfile for cookbook resolution
UPDATE: Files::occm-role-policy to include updated IAM requirements for OCCM 3.3.0
UPDATE: Script::bootstrap.sh to install the ChefDK client and use the Berksfile to package the cookbooks and dependencies.
UPDATE: Templates::create_ontap.json.tpl to include variable to set the ontap_write_speed
UPDATE: Main.tf to streamline resource idempotence and deployment
UPDATE: Output.tf variable outputs
UPDATE: templates.tf to include changes in setting the write_speed
UPDATE: variables.tf formatting and defaults.

** aws_standalone_full
ADD: Berksfile for cookbook resolution
UPDATE: Files::occm-role-policy to include updated IAM requirements for OCCM 3.3.0
UPDATE: Script::bootstrap.sh to install the ChefDK client and use the Berksfile to package the cookbooks and dependencies.
UPDATE: Templates::create_ontap.json.tpl to include variable to set the ontap_write_speed
UPDATE: Main.tf to streamline resource idempotence and deployment
UPDATE: Output.tf variable outputs
UPDATE: templates.tf to include changes in setting the write_speed
UPDATE: variables.tf formatting and defaults.

Initial release

Merge pull request #2 from exospheredata/aws_standalone_full

ADD:  Terraform Template