Enabled SA1629 by default

Author: vweijsters

StyleCop.Analyzers/StyleCop.Analyzers/DocumentationRules/SA1629DocumentationTextMustEndWithAPeriod.cs

@@ -56,7 +56,7 @@ internal class SA1629DocumentationTextMustEndWithAPeriod : ElementDocumentationB
         private static readonly string HelpLink = "https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1629.md";
 
         private static readonly DiagnosticDescriptor Descriptor =
-            new DiagnosticDescriptor(DiagnosticId, Title, MessageFormat, AnalyzerCategory.DocumentationRules, DiagnosticSeverity.Warning, AnalyzerConstants.DisabledNoTests, Description, HelpLink, WellKnownDiagnosticTags.NotConfigurable);
+            new DiagnosticDescriptor(DiagnosticId, Title, MessageFormat, AnalyzerCategory.DocumentationRules, DiagnosticSeverity.Warning, AnalyzerConstants.EnabledByDefault, Description, HelpLink);
 
         private static readonly ImmutableDictionary<string, string> NoCodeFixProperties = ImmutableDictionary.Create<string, string>().Add(NoCodeFixKey, string.Empty);