New: Parse Spanish language using Castellano and Español

Closes #3579

src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs

@@ -65,6 +65,8 @@ namespace NzbDrone.Core.Test.ParserTests
         }
 
         [TestCase("Title.the.Series.2009.S01E14.Spanish.HDTV.XviD-LOL")]
+        [TestCase("Series Title - Temporada 1 [HDTV 720p][Cap.101][AC3 5.1 Castellano][www.pctnew.ORG]")]
+        [TestCase("Series Title - Temporada 2 [HDTV 720p][Cap.206][AC3 5.1 Español Castellano]")]
         public void should_parse_language_spanish(string postTitle)
         {
             var result = LanguageParser.ParseLanguage(postTitle);

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -212,6 +212,9 @@ namespace NzbDrone.Core.Parser
             if (match.Groups["ukrainian"].Success)
                 return Language.Ukrainian;
 
+            if (match.Groups["spanish"].Success)
+                return Language.Spanish;
+
             return Language.Unknown;
         }
     }