fixate dotnet CLI SDK on the LTS release 003156

Author: Mpdreamz

global.json

@@ -3,6 +3,6 @@
     "src"
   ],
   "sdk": {
-    "version": "1.0.0-preview2-003131"
+    "version": "1.0.0-preview2-003156"
   }
 }

src/Elasticsearch.sln

@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.25420.1
 MinimumVisualStudioVersion = 10.0.40219.1
@@ -19,6 +19,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "_Build", "_Build", "{432D55
 		..\paket.bat = ..\paket.bat
 		..\paket.dependencies = ..\paket.dependencies
 		..\readme.md = ..\readme.md
+		..\global.json = ..\global.json
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Code Generation", "Code Generation", "{93331BEE-0AA0-47B7-B1D2-BD5BD31634D1}"