Updated ProjectModel

- Added PackOptions, RuntimeOptions, PublishOptions and updated CompilationOptions
 - Added IncludeFilesResolver to parse include, exclude patterns
 - Added compile, embed and copyToOutput to compilationOptions
 - Renamed compilationOptions to buildOptions
 - Moved compilerName into buildOptions
 - This change is backwards compatible
 - Added warnings to be shown when the old schema is used
 - Handled diagnostic messages in ProjectReader
 - Added unit and end to end tests

src/Microsoft.DotNet.ProjectModel/Files/IncludeEntry.cs

@@ -0,0 +1,45 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using Microsoft.Extensions.Internal;
+
+namespace Microsoft.DotNet.ProjectModel.Files
+{
+    public class IncludeEntry : IEquatable<IncludeEntry>
+    {
+        public string TargetPath { get; }
+
+        public string SourcePath { get; }
+
+        public bool IsCustomTarget { get; set; }
+
+        public IncludeEntry(string target, string source)
+        {
+            TargetPath = target;
+            SourcePath = source;
+        }
+
+        public override bool Equals(object obj)
+        {
+            return Equals((IncludeEntry)obj);
+        }
+
+        public override int GetHashCode()
+        {
+            var combiner = HashCodeCombiner.Start();
+            combiner.Add(TargetPath);
+            combiner.Add(SourcePath);
+
+            return combiner.CombinedHash;
+        }
+
+        public bool Equals(IncludeEntry other)
+        {
+            return other != null &&
+                string.Equals(TargetPath, other.TargetPath, StringComparison.Ordinal) &&
+                string.Equals(SourcePath, other.SourcePath, StringComparison.Ordinal) &&
+                IsCustomTarget == other.IsCustomTarget;
+        }
+    }
+}