chore(language translator v2): Apply manual changes

Author: mediumTaj

src/IBM.WatsonDeveloperCloud.LanguageTranslator.v2/LanguageTranslatorService.cs

@@ -32,12 +32,14 @@ public partial class LanguageTranslatorService : WatsonService, ILanguageTransla
     {
         const string SERVICE_NAME = "language_translator";
         const string URL = "https://gateway.watsonplatform.net/language-translator/api";
+        [Obsolete("Language Translator v3 is now available. The v2 Language Translator API will no longer be available after July 31, 2018. To take advantage of the latest service enhancements, migrate to the v3 API. View the [Migrating to Language Translator v3](https://console.bluemix.net/docs/services/language-translator/migrating.html) page for more information.")]
         public LanguageTranslatorService() : base(SERVICE_NAME, URL)
         {
             if(!string.IsNullOrEmpty(this.Endpoint))
                 this.Endpoint = URL;
-        }
-
+        }
+
+        [Obsolete("Language Translator v3 is now available. The v2 Language Translator API will no longer be available after July 31, 2018. To take advantage of the latest service enhancements, migrate to the v3 API. View the [Migrating to Language Translator v3](https://console.bluemix.net/docs/services/language-translator/migrating.html) page for more information.")]
         public LanguageTranslatorService(string userName, string password) : this()
         {
             if (string.IsNullOrEmpty(userName))
@@ -49,6 +51,7 @@ public LanguageTranslatorService(string userName, string password) : this()
             this.SetCredential(userName, password);
         }
 
+        [Obsolete("Language Translator v3 is now available. The v2 Language Translator API will no longer be available after July 31, 2018. To take advantage of the latest service enhancements, migrate to the v3 API. View the [Migrating to Language Translator v3](https://console.bluemix.net/docs/services/language-translator/migrating.html) page for more information.")]
         public LanguageTranslatorService(TokenOptions options) : this()
         {
             if (string.IsNullOrEmpty(options.IamApiKey) && string.IsNullOrEmpty(options.IamAccessToken))
@@ -65,6 +68,7 @@ public LanguageTranslatorService(TokenOptions options) : this()
             _tokenManager = new TokenManager(options);
         }
 
+        [Obsolete("Language Translator v3 is now available. The v2 Language Translator API will no longer be available after July 31, 2018. To take advantage of the latest service enhancements, migrate to the v3 API. View the [Migrating to Language Translator v3](https://console.bluemix.net/docs/services/language-translator/migrating.html) page for more information.")]
         public LanguageTranslatorService(IClient httpClient) : this()
         {
             if (httpClient == null)