chore: import upstream snapshot with attribution

Common/Properties/AssemblyInfo.cs

@@ -0,0 +1,23 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("QuantConnect.Common")]
+[assembly: AssemblyProduct("QuantConnect.Common")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("94687ba0-0b5f-43f7-a911-83b5a89651cf")]
+
+[assembly: InternalsVisibleTo("QuantConnect.Algorithm.Framework")]
+[assembly: InternalsVisibleTo("QuantConnect.Brokerages")]
+[assembly: InternalsVisibleTo("QuantConnect.Lean.Engine")]
+[assembly: InternalsVisibleTo("QuantConnect.Tests")]

Common/Properties/SharedAssemblyInfo.cs

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+using System.Reflection;
+
+// common assembly attributes
+[assembly: AssemblyCopyright("QuantConnect™ 2018. All Rights Reserved")]
+[assembly: AssemblyCompany("QuantConnect Corporation")]
+[assembly: AssemblyVersion("2.5")]
+
+// Configuration used to build the assembly is by defaulting 'Debug'.
+// To create a package using a Release configuration, -properties Configuration=Release on the command line must be use.
+// source: https://docs.microsoft.com/en-us/nuget/reference/nuspec#replacement-tokens