fix assembly description patcher in build script and Elasticsearch.Net.JsonNet's nuget description

Author: Mpdreamz

build/Elasticsearch.Net.JsonNET.nuspec

@@ -9,7 +9,7 @@
     <iconUrl>http://nest.azurewebsites.net/images/elasticsearch-net-nuget-icon.png</iconUrl>
     <licenseUrl>https://github.com/elasticsearch/elasticsearch-net/blob/master/license.txt</licenseUrl>
     <projectUrl>https://github.com/elasticsearch/elasticsearch-net</projectUrl>
-    <summary>An IConnection implementation that utilizes Apache Thrift to talk with elasticsearch</summary>
+    <summary>IElasticsearchSerializer implementation that allows you to use Json.NET with the lowlevel client</summary>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>This package is only useful if you use the low level client ONLY and do not use NEST but would like to use JSON.NET as your serializer</description>
     <dependencies>

build/build.fsx

@@ -179,8 +179,9 @@ Target "Version" (fun _ ->
     match f.ToLowerInvariant() with
     | f when f = "elasticsearch.net" -> "Elasticsearch.Net - oficial low level elasticsearch client"
     | f when f = "nest" -> "NEST - oficial high level elasticsearch client"
-    | f when f = "elasticsearch.net.connection.thrift" -> "Elasticsearc.Net.Connection.Thrift - Add thrift support to elasticsearch."
-    | f when f = "elasticsearch.net.connection.httpclient" -> "Elasticsearc.Net.Connection.HttpClient - IConnection implementation that uses HttpClient (.NET 4.5 only)"
+    | f when f = "elasticsearch.net.connection.thrift" -> "Add thrift support to elasticsearch."
+    | f when f = "elasticsearch.net.connection.httpclient" -> "IConnection implementation that uses HttpClient (.NET 4.5 only)"
+    | f when f = "elasticsearch.net.jsonnet" -> "IElasticsearchSerializer implementation that allows you to use Json.NET with the lowlevel client"
     | _ -> sprintf "%s" name
 
   !! "src/**/AssemblyInfo.cs"