fix #601 CreateIndex(string, func) no longer the odd man out of the bunch being the only one that takes a string as first arg

Conflicts:
	src/Nest/DSL/CreateIndexDescriptor.cs
	src/Nest/ElasticClient-CreateIndex.cs

Author: Mpdreamz

src/Nest/DSL/CreateIndexDescriptor.cs

@@ -3,6 +3,7 @@
 using System.Linq;
 using System.Text;
 using Elasticsearch.Net;
+using Elasticsearch.Net.Connection;
 using Newtonsoft.Json;
 using System.Linq.Expressions;
 using Nest.Resolvers;
@@ -18,6 +19,11 @@ public partial class CreateIndexDescriptor : IndexPathDescriptorBase<CreateIndex
 		private IConnectionSettingsValues _connectionSettings;
 
 
+		public CreateIndexDescriptor(IConnectionSettingsValues connectionSettings)
+		{
+			this._connectionSettings = connectionSettings;
+		}
+
 		/// <summary>
 		/// Initialize the descriptor using the values from for instance a previous Get Index Settings call.
 		/// </summary>
@@ -27,12 +33,6 @@ public CreateIndexDescriptor InitializeUsing(IndexSettings indexSettings)
 			return this;
 		}
 
-		internal CreateIndexDescriptor SetConnectionSettings(IConnectionSettingsValues connectionSettings)
-		{
-			this._connectionSettings = connectionSettings;
-			return this;
-		}
-
 		/// <summary>
 		/// Set the number of shards (if possible) for the new index.
 		/// </summary>

src/Nest/DSL/Paths/IndexPathDescriptor.cs

@@ -19,7 +19,7 @@ namespace Nest
 	/// index is not optional 
 	/// </summary>
 	public class IndexPathDescriptorBase<TDescriptor, TParameters> : BasePathDescriptor<TDescriptor> 
-		where TDescriptor : IndexPathDescriptorBase<TDescriptor, TParameters>, new()
+		where TDescriptor : IndexPathDescriptorBase<TDescriptor, TParameters>
 		where TParameters : FluentRequestParameters<TParameters>, new()
 	{
 		internal IndexNameMarker _Index { get; set; }

src/Nest/ElasticClient-CreateIndex.cs

@@ -11,18 +11,20 @@ public partial class ElasticClient
 		/// <inheritdoc />
 		public IIndicesOperationResponse CreateIndex(Func<CreateIndexDescriptor, CreateIndexDescriptor> createIndexSelector)
 		{
+			var descriptor = createIndexSelector(new CreateIndexDescriptor(this._connectionSettings)); 
 			return this.Dispatch<CreateIndexDescriptor, CreateIndexRequestParameters, IndicesOperationResponse>(
-				c => createIndexSelector(new CreateIndexDescriptor().SetConnectionSettings(this._connectionSettings)),
+				descriptor,
 				(p, d) => this.RawDispatch.IndicesCreateDispatch<IndicesOperationResponse>(p, d._IndexSettings)
 			);
 		} 
 
 		/// <inheritdoc />
 		public Task<IIndicesOperationResponse> CreateIndexAsync(Func<CreateIndexDescriptor, CreateIndexDescriptor> createIndexSelector)
 		{
+			var descriptor = createIndexSelector(new CreateIndexDescriptor(this._connectionSettings)); 
 			return this.DispatchAsync
 				<CreateIndexDescriptor, CreateIndexRequestParameters, IndicesOperationResponse, IIndicesOperationResponse>(
-					c => createIndexSelector(new CreateIndexDescriptor().SetConnectionSettings(this._connectionSettings)),
+					descriptor,
 					(p, d) => this.RawDispatch.IndicesCreateDispatchAsync<IndicesOperationResponse>(p, d._IndexSettings)
 				);
 		}