* Fix reserved memory unit in kubelet configuration

Signed-off-by: Wang Zhen <lazybetrayer@gmail.com>

* Move systemReserved default values from template

Signed-off-by: Wang Zhen <lazybetrayer@gmail.com>

* Expose offline install overrides in inventory

* Remove not recommended warning

* Added ability to set calico vxlan vni and port. defaults to calico's documented defaults.

* Check if calico_network_backend is defined prior to checking value

* Removed calico hidden defaults for vxlan port and vni

* Fixed FELIX_VXLANVNI typo

I kept seeing `TLS handshake error from 10.250.250.158:63770: EOF` from two IP addresses that correlate to my ELB. Changing the health check from TCP to HTTPS stopped the errors from being generated.

Signed-off-by: Victor Morales <v.morales@samsung.com>

* Add external_openstack_lbaas_provider setting for occm

* Integrate with existing lbaas_provider block

* Refactor lbaas_provider config template block

* Remove external_openstack_lbaas_use_octavia from sample inventory

* Added support for setting tiller_service_account and tiller_replicas

* Specify helm 2 version to ensure we have a test path that still hits helm 2 code

* Moved tiller_service_account to defaults.yml. Fixed is tiller_replicas defined check.

Related commit: https://github.com/cilium/cilium/commit/976337b750ac8110b128fa25105e2fcc91ccd223

Remove configuration variable kubeadm_control_plane

* kube-proxy never gets deployed so need to remove it

It was documented as if it were an Ansible variable, but it is a Terraform variable.
This also means the colon syntax was incorrect. TF variables are assigned with an equals sign.

Co-authored-by: rptaylor <rptaylor@uvic.ca>

* Make metallb image repos configurable

* Moved metallb image repo definitions to download role defaults

* Removed comment. These are set in download defaults