Adding Azure machinery and config (#922)

Author: cccs-kevin

conf/az.conf

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+[az]
+# Specify the Azure Region (for example, CanadaCentral). This is case-sensitive
+region_name = <region_name>
+
+# Resource Group for Azure
+resource_group = <resource_group>
+
+# Subscription ID for Azure
+subscription_id = <subscription_id>
+
+# Client ID for Azure
+client_id = <client_id>
+
+# Secret for Azure
+secret = <secret>
+
+# Tenant for Azure
+tenant = <tenant>
+
+# Default network interface.
+interface = eth1
+
+# Virtual Network containing Cuckoo host and guests
+vnet = <vnet>
+
+# Subnet within virtual network for Cuckoo
+subnet = <subnet>
+
+# This is the limit to the number of machines that can exist in a scale set
+scale_set_limit = 20
+
+# Specify the maximum number of online machines that was created as a result of auto-scale operation.
+# Once reaching that limit, cuckoo will create a new machine only if another was terminated.
+# This limit prevents a situation of creating machine beyond the subnet capacity.
+total_machines_limit = 50
+
+# Specify the machine's instance type(for example, Standard_F2s_v2, Standard_DS3_v2)
+instance_type = <instance_type>
+
+# Specify the IP of the Result Server, as your virtual machine sees it.
+# It should be the nest ip address.
+resultserver_ip = <resultserver_ip>
+
+# Specify a port number to bind the result server on.
+resultserver_port = 2042
+
+# Specify the shared gallery name to use.
+gallery_name = <gallery_name>
+
+# Specify the storage account type for the OS disk (for example, Standard_LRS)
+storage_account_type = <storage_account_type>
+
+# Initial virtual machine pool size for each scale set
+initial_pool_size = 1
+
+# Specify a comma-separated list of scale sets to be used, either available or to be created.
+# For each specified ID you have to define a dedicated section containing the details
+# about the respective scale set. (E.g. cuckoo1,cuckoo2,cuckoo3)
+scale_sets = cuckoo1
+
+# A percentage to be used for overprovisioning a scale set. To disable overprovisiong, set to 0
+overprovision = 0
+
+# This time, in seconds, is used to build up a queue of machines that need to be reimaged, 
+# such that we can perform bulk reimaging.
+wait_time_to_reimage = 15
+
+# This boolean value is used to indicate if we want to use Azure Spot instances rather than 
+# normal instances
+spot_instances = false
+
+[cuckoo1]
+# The gallery image name to use when creating the virtual machine scale set.
+gallery_image_name = <gallery_image_name>
+
+# Specify the operating system platform used by the virtual machines in the scale set
+# [windows/darwin/linux].
+platform = windows
+
+# Set the machine architecture
+# Required to auto select proper machine architecture for sample
+# x64 or x86
+arch = x64
+
+# A tag used to specify on which guest scale set a sample should be run. All 
+# virtual machines in this scale set will have this tag
+tag = <tag>