Add ThrowExceptionWhenMatcherFails option to all Matchers (#500)

* .

* ut

* IMatcher.ThrowException

* settings

* more tests

* linq matcher throw

* .

* .

src/WireMock.Net/Matchers/IMatcher.cs

@@ -1,18 +1,23 @@
-namespace WireMock.Matchers
-{
-    /// <summary>
-    /// IMatcher
-    /// </summary>
-    public interface IMatcher
-    {
-        /// <summary>
-        /// Gets the name.
-        /// </summary>
-        string Name { get; }
-
-        /// <summary>
-        /// Gets the match behaviour.
-        /// </summary>
-        MatchBehaviour MatchBehaviour { get; }
-    }
+namespace WireMock.Matchers
+{
+    /// <summary>
+    /// IMatcher
+    /// </summary>
+    public interface IMatcher
+    {
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        string Name { get; }
+
+        /// <summary>
+        /// Gets the match behaviour.
+        /// </summary>
+        MatchBehaviour MatchBehaviour { get; }
+
+        /// <summary>
+        /// Should this matcher throw an exception?
+        /// </summary>
+        bool ThrowException { get; }
+    }
 }