added support for tags_schema property on the highlighter fix #343

Author: Mpdreamz

src/Nest/DSL/HighlightDescriptor.cs

@@ -17,6 +17,9 @@ public class HighlightDescriptor<T> where T : class
     [JsonProperty("fragment_size")]
     internal int? _FragmentSize { get; set; }
 
+	[JsonProperty("tags_schema")]
+	internal string _TagsSchema { get; set; }
+
     [JsonProperty("number_of_fragments")]
     internal int? _NumberOfFragments { get; set; }
 
@@ -65,6 +68,12 @@ public HighlightDescriptor<T> OnFields(params Action<HighlightFieldDescriptor<T>
       }
       return this;
     }
+
+	public HighlightDescriptor<T> TagsSchema(string schema = "styled")
+	{
+		this._TagsSchema = schema;
+		return this;
+	}
     public HighlightDescriptor<T> PreTags(string preTags)
     {
       this._PreTags = new[] { preTags };

src/Nest/DSL/HighlightFieldDescriptor.cs

@@ -35,6 +35,9 @@ public class HighlightFieldDescriptor<T>  where T : class
     [JsonProperty("order")]
     internal string _Order { get; set; }
 
+	[JsonProperty("tags_schema")]
+	internal string _TagsSchema { get; set; }
+
     [JsonProperty("require_field_match")]
     internal bool? _RequireFieldMatch { get; set; }
 
@@ -55,6 +58,12 @@ public HighlightFieldDescriptor<T> OnAll()
     {
       return this.OnField("_all");
     }
+	public HighlightFieldDescriptor<T> TagsSchema(string schema = "styled")
+	{
+		this._TagsSchema = schema;
+		return this;
+	}
+
     public HighlightFieldDescriptor<T> PreTags(string preTags)
     {
       this._PreTags = new [] { preTags };