Create an installer for the add-in.

In order to have a easy install process the add-in needs an installation wizard.
This installer will perform the following actions:

• display the product name and license agreement.
• choose installation path
• install prerequisites:

• .NET Framework 3.5 sp1;
• primary interoperability assemblies;
• VSTO runtime;
• active output of the add-in project(Assembly + manifest);
• add-in dependencies;
• add-in resources.

• register the add-in in the OS registry;
• setup security policy.