Field is a reserved keyword in C# preview version

Author: hazzik

src/NHibernate.Test/NHSpecificTest/NH1304/Funny.cs

@@ -29,8 +29,8 @@ public virtual int Id
 
 		public virtual string Field
 		{
-			get { return field; }
-			set { field = value; }
+			get { return this.field; }
+			set { this.field = value; }
 		}
 
 		public virtual string FieldCamelcase

src/NHibernate.Test/NHSpecificTest/NH1487/Fixture.cs

@@ -10,10 +10,10 @@ namespace NHibernate.Test.NHSpecificTest.NH1487
 	public class Entity
 	{
 		int field;
-		public int Id { get { return field; } set { field = value; } }
-		public int A { get { return field; } set { field = value; } }
-		public int B { get { return field; } set { field = value; } }
-		public int C { get { return field; } set { field = value; } }
+		public int Id { get { return this.field; } set { this.field = value; } }
+		public int A { get { return this.field; } set { this.field = value; } }
+		public int B { get { return this.field; } set { this.field = value; } }
+		public int C { get { return this.field; } set { this.field = value; } }
 	}
 
 	/// <summary>

src/NHibernate/Properties/FieldAccessor.cs

@@ -204,7 +204,7 @@ public object Get(object target)
 			/// <value>The <see cref="System.Type"/> that the Field returns.</value>
 			public System.Type ReturnType
 			{
-				get { return field.FieldType; }
+				get { return this.field.FieldType; }
 			}
 
 			/// <summary>
@@ -322,7 +322,7 @@ public MethodInfo Method
 
 			public System.Type Type
 			{
-				get { return field.FieldType; }
+				get { return @field.FieldType; }
 			}
 
 			#endregion

src/NHibernate/Proxy/DynamicProxy/ProxyImplementor.cs

@@ -27,7 +27,7 @@ internal class ProxyImplementor
 
 		public FieldBuilder InterceptorField
 		{
-			get { return field; }
+			get { return this.field; }
 		}
 
 		public void ImplementProxy(TypeBuilder typeBuilder)