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

TestAssets/TestProjects/EndToEndTestApp/Program.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace ConsoleApplication
+{
+    public class Program
+    {
+        public static int Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+            return 100;
+        }
+    }
+}