Merge pull request #375 from JoeDoyle23/master

Added new TokenChars field to NGramTokenizers

Author: Mpdreamz

src/Nest/Domain/Analysis/Tokenizer/EdgeNGramTokenizer.cs

@@ -21,5 +21,8 @@ public EdgeNGramTokenizer()
 
 		[JsonProperty("side")]
 		public string Side { get; set; }
+
+        [JsonProperty("token_chars")]
+        public IList<string> TokenChars { get; set; }
     }
 }

src/Nest/Domain/Analysis/Tokenizer/NGramTokenizer.cs

@@ -18,5 +18,8 @@ public NGramTokenizer()
 
 		[JsonProperty("max_gram")]
 		public int? MaxGram { get; set; }
+
+        [JsonProperty("token_chars")]
+        public IList<string> TokenChars { get; set; }
     }
 }