Fix for CatAliases API elastic#1591

Author: robertlyson

Diff for: src/Nest/DSL/PutAliasDescriptor.cs

@@ -14,6 +14,10 @@ public interface IPutAliasRequest : IIndexOptionalNamePath<PutAliasRequestParame
 	{
 		[JsonProperty("routing")]
 		string Routing { get; set; }
+		[JsonProperty("search_routing")]
+		string SearchRouting { get; set; }
+		[JsonProperty("index_routing")]
+		string IndexRouting { get; set; }
 
 		[JsonProperty("filter")]
 		[JsonConverter(typeof(CompositeJsonConverter<ReadAsTypeConverter<FilterContainer>, CustomJsonConverter>))]
@@ -35,6 +39,8 @@ public PutAliasRequest(string name) : base(name) { }
 		public PutAliasRequest(string index, string name) : base(index, name) { }
 
 		public string Routing { get; set; }
+		public string SearchRouting { get; set; }
+		public string IndexRouting { get; set; }
 
 		public IFilterContainer Filter { get; set; }
 
@@ -51,6 +57,8 @@ public partial class PutAliasDescriptor
 	{
 		IPutAliasRequest Self { get { return this; } }
 		string IPutAliasRequest.Routing { get; set; }
+		string IPutAliasRequest.SearchRouting { get; set; }
+		string IPutAliasRequest.IndexRouting { get; set; }
 		IFilterContainer IPutAliasRequest.Filter { get; set; }
 
 		public PutAliasDescriptor Routing(string routing)
@@ -59,6 +67,18 @@ public PutAliasDescriptor Routing(string routing)
 			return this;
 		}
 
+		public PutAliasDescriptor SearchRouting(string searchRouting)
+		{
+			Self.SearchRouting = searchRouting;
+			return this;
+		}
+
+		public PutAliasDescriptor IndexRouting(string indexRouting)
+		{
+			Self.IndexRouting = indexRouting;
+			return this;
+		}
+
 		public PutAliasDescriptor Filter<T>(Func<FilterDescriptor<T>, FilterContainer> filterSelector)
 			where T : class
 		{

Diff for: src/Nest/Domain/Cat/CatAliasesRecord.cs

@@ -14,10 +14,10 @@ public class CatAliasesRecord : ICatRecord
 		[JsonProperty("filter")]
 		public string Filter { get; set; }
 
-		[JsonProperty("indexRouting")]
+		[JsonProperty("routing.index")]
 		public string IndexRouting { get; set; }
 
-		[JsonProperty("searchRouting")]
+		[JsonProperty("routing.search")]
 		public string SearchRouting { get; set; }
 	}
 }

Diff for: src/Tests/Elasticsearch.Net.Tests.Unit/Elasticsearch.Net.Tests.Unit.csproj

@@ -234,4 +234,7 @@
       <Paket>True</Paket>
     </Reference>
   </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
 </Project>

Diff for: src/Tests/Nest.Tests.Integration/Nest.Tests.Integration.csproj

@@ -182,6 +182,7 @@
     <Compile Include="Reproduce\Reproduce1457Tests.cs" />
     <Compile Include="Reproduce\Reproduce1474Tests.cs" />
     <Compile Include="Reproduce\Reproduce1515Tests.cs" />
+    <Compile Include="Reproduce\Reproduce1591Tests.cs" />
     <Compile Include="Reproduce\Reproduce769Tests.cs" />
     <Compile Include="Reproduce\Reproduce945Tests.cs" />
     <Compile Include="Reproduce\Reproduce953Tests.cs" />
@@ -447,4 +448,7 @@
       <Paket>True</Paket>
     </Reference>
   </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
 </Project>