Merge remote-tracking branch 'origin/MetLife_v5.4' into MetLife_v5.4.2

# Conflicts:
#	CHANGELOG.md
#	ICD.Common.Utils/Properties/AssemblyInfo.cs

CHANGELOG.md

@@ -16,6 +16,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - RangeAttribute improvements for better type safety
  - PathUtils breaking out ProgramConfigDirectory and CommonConfigDirectory from the full paths
 
+## [8.3.3] - 2019-05-24
+### Added
+ - Added empty, placeholder interface for ICD Attributes
+
 ## [8.3.2] - 2019-05-02
 ### Changed
  - Fixed PriorityQueue IndexOutOfRange exception when an inner queue becomes depleted

ICD.Common.Utils/Attributes/AbstractIcdAttribute.cs

@@ -5,7 +5,7 @@ namespace ICD.Common.Utils.Attributes
 	/// <summary>
 	/// AbstractIcdAttribute is the base class for all ICD attributes.
 	/// </summary>
-	public abstract class AbstractIcdAttribute : Attribute
+	public abstract class AbstractIcdAttribute : Attribute, IIcdAttribute
 	{
 	}
 }

ICD.Common.Utils/Attributes/IIcdAttribute.cs

@@ -0,0 +1,6 @@
+namespace ICD.Common.Utils.Attributes
+{
+	public interface IIcdAttribute
+	{
+	}
+}

ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj

@@ -75,6 +75,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Attributes\AbstractIcdAttribute.cs" />
+    <Compile Include="Attributes\IIcdAttribute.cs" />
     <Compile Include="Attributes\RangeAttribute.cs" />
     <Compile Include="Collections\BiDictionary.cs" />
     <Compile Include="Collections\AsyncEventQueue.cs" />