Made Nzb Restrictions case-insensative

NzbDrone.Core.Test/DecisionEngineTests/NotRestrictedNzbSpecificationFixture.cs

@@ -32,7 +32,9 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
 
         [TestCase("KYR")]
         [TestCase("EDITED")]
+        [TestCase("edited")]
         [TestCase("2HD\nKYR")]
+        [TestCase("2HD\nkyr")]
         public void should_be_false_when_nzb_contains_a_restricted_term(string restrictions)
         {
             Mocker.GetMock<IConfigService>().SetupGet(c => c.NzbRestrictions).Returns(restrictions);

NzbDrone.Core/DecisionEngine/Specifications/NotRestrictedNzbSpecification.cs

@@ -43,7 +43,7 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
 
             foreach (var restriction in restrictions)
             {
-                if (subject.Report.Title.Contains(restriction))
+                if (subject.Report.Title.ToLowerInvariant().Contains(restriction.ToLowerInvariant()))
                 {
                     _logger.Trace("{0} is restricted: {1}", subject, restriction);
                     return false;