No hard-coded windows-style new line symbols

Author: alex-kulakov

Extensions/Xtensive.Orm.Reprocessing/DomainBuilder.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Reflection;
 using Xtensive.Orm.Configuration;
@@ -27,7 +27,7 @@ public virtual Domain Build(DomainConfiguration config)
         var ex = e.InnerException as ReflectionTypeLoadException;
         if (ex != null)
           throw new InvalidOperationException(
-              string.Join("\r\n", ex.LoaderExceptions.Select(a => a.Message)), ex);
+              string.Join(Environment.NewLine, ex.LoaderExceptions.Select(a => a.Message)), ex);
         throw;
       }
     }

Orm/Xtensive.Orm/Core/Exceptions/AggregateException.cs

@@ -60,12 +60,12 @@ public List<Exception> GetFlatExceptions()
     public override string ToString()
     {
       StringBuilder sb = new StringBuilder(64);
-      sb.Append(base.ToString())
+      _ = sb.Append(base.ToString())
         .AppendLine()
         .AppendFormat("{0}:", Strings.OriginalExceptions);
       int i = 1;
       foreach (Exception exception in exceptions)
-        sb.AppendLine().AppendFormat("\r\n{0}: {1}", i++, exception);
+        sb.AppendLine().AppendFormat("{0}: {1}", i++, exception);
       return sb.ToString();
     }