update azure contrib to use azure cli 2.0

contrib/azurerm/roles/generate-inventory_2/tasks/main.yml

@@ -0,0 +1,16 @@
+---
+
+- name: Query Azure VMs IPs
+  command: az vm list-ip-addresses -o json --resource-group {{ azure_resource_group }}
+  register: vm_ip_list_cmd
+
+- name: Query Azure VMs Roles
+  command: az vm list -o json --resource-group {{ azure_resource_group }}
+  register: vm_list_cmd
+
+- set_fact:
+    vm_ip_list: "{{ vm_ip_list_cmd.stdout }}"
+    vm_roles_list: "{{ vm_list_cmd.stdout }}"
+
+- name: Generate inventory
+  template: src=inventory.j2 dest="{{playbook_dir}}/inventory"