update nuget key, add nlc to artifacts

Author: mediumTaj

appveyor.yml

@@ -121,10 +121,12 @@ artifacts:
   name: IBM.WatsonDeveloperCloud.Discovery.v1
 - path: '\src\IBM.WatsonDeveloperCloud.NaturalLanguageUnderstanding.v1\bin\$(configuration)\*.nupkg'
   name: IBM.WatsonDeveloperCloud.NaturalLanguageUnderstanding.v1
+- path: '\src\IBM.WatsonDeveloperCloud.NaturalLanguageClassifier.v1\bin\$(configuration)\*.nupkg'
+  name: IBM.WatsonDeveloperCloud.NaturalLanguageClassifier.v1
 deploy:
 - provider: NuGet
   api_key:
-    secure: 2W1iN8vudnfbSezg9ZE4bfBBacbBHjhVuseZqsKsd2nCIydYaLRnW3kordCyeI/O
+    secure: jVMsvYb86JW+UMN2Gb2m1JazRkouGMzd58NHWxWVAY1BsQbehIU+YTxdsAeMo1qy
   on:
     branch: master
     APPVEYOR_REPO_TAG: true