fix #1634 add updated Purify to 1.x that fixes gethashcode under mono

Author: Mpdreamz

src/Elasticsearch.Net/Connection/HttpConnection.cs

@@ -11,7 +11,7 @@
 using System.Threading.Tasks;
 using Elasticsearch.Net.Connection.Configuration;
 using Elasticsearch.Net.Providers;
-using PurifyNet;
+using Purify;
 
 namespace Elasticsearch.Net.Connection
 {

src/Elasticsearch.Net/Connection/RequestState/TransportRequestState.cs

@@ -7,7 +7,7 @@
 using System.Threading;
 using Elasticsearch.Net.Connection.Configuration;
 using Elasticsearch.Net.ConnectionPool;
-using PurifyNet;
+using Purify;
 
 namespace Elasticsearch.Net.Connection.RequestState
 {

src/Elasticsearch.Net/Connection/Transport.cs

@@ -16,7 +16,7 @@
 using Elasticsearch.Net.Exceptions;
 using Elasticsearch.Net.Providers;
 using Elasticsearch.Net.Serialization;
-using PurifyNet;
+using Purify;
 
 namespace Elasticsearch.Net.Connection
 {

src/Elasticsearch.Net/Elasticsearch.Net.csproj

@@ -123,11 +123,7 @@
     <Compile Include="Domain\RequestParameters\FluentRequestParameters.cs" />
     <Compile Include="Domain\RequestParameters\RequestParameters.Generated.cs" />
     <Compile Include="Properties\ClsCompliancy.cs" />
-    <Compile Include="Purify\IPurify.cs" />
-    <Compile Include="Purify\PurifierDotNet.cs" />
-    <Compile Include="Purify\PurifierMono.cs" />
     <Compile Include="Purify\Purify.cs" />
-    <Compile Include="Purify\UriInfo.cs" />
     <Compile Include="Serialization\ElasticsearchDefaultSerializer.cs" />
     <Compile Include="Serialization\ElasticsearchNetJsonStrategy.cs" />
     <Compile Include="Serialization\IElasticsearchSerializer.cs" />