Update yaml extension support

Improve error messages
improve boolean parser
remove unncessary logs

src/Core/ServiceWrapper/WrapperService.cs

@@ -280,7 +280,6 @@ namespace WinSW
             Log.Info("Starting " + this.descriptor.Executable + ' ' + startArguments);
 
             // Load and start extensions
-            Console.WriteLine("Loading extensinos");
             this.ExtensionManager.LoadExtensions();
             this.ExtensionManager.FireOnWrapperStarted();
 

src/Core/WinSWCore/Configuration/YamlConfiguration.cs

@@ -648,17 +648,28 @@ namespace WinSW.Configuration
         {
             get
             {
+                int extensionNumber = 1;
+
                 if (this.YamlExtensionsConfiguration is null)
                 {
                     return new List<string>(0);
                 }
 
-                var result = new List<string>();
+                var result = new List<string>(this.YamlExtensionsConfiguration.Count);
 
                 foreach (var item in this.YamlExtensionsConfiguration)
+                {
+                    try
                     {
                         result.Add(item.GetId());
                     }
+                    catch (InvalidDataException)
+                    {
+                        throw new InvalidDataException("Id is null in Extension " + extensionNumber);
+                    }
+
+                    extensionNumber++;
+                }
 
                 return result;
             }

src/Core/WinSWCore/Configuration/YamlExtensionConfiguration.cs

@@ -22,7 +22,7 @@ namespace WinSW.Configuration
         {
             if (this.ExtensionId is null)
             {
-                throw new InvalidDataException("Extension Id can't be empty");
+                throw new InvalidDataException();
             }
 
             return this.ExtensionId;
@@ -32,7 +32,7 @@ namespace WinSW.Configuration
         {
             if (this.ExtensionClassName is null)
             {
-                throw new InvalidDataException("Extension ClassName can't be empty");
+                throw new InvalidDataException($@"Extension ClassName is empty in extension {this.GetId()}");
             }
 
             return this.ExtensionClassName;
@@ -42,7 +42,7 @@ namespace WinSW.Configuration
         {
             if (this.Settings is null)
             {
-                throw new InvalidDataException("Extension settings not found");
+                throw new InvalidDataException(@$"Extension settings is empty in extension {this.GetId()}");
             }
 
             return this.Settings;

src/Core/WinSWCore/Extensions/IWinSWExtension.cs

@@ -33,7 +33,7 @@ namespace WinSW.Extensions
         /// <summary>
         /// Configure the extension from Yaml configuration
         /// </summary>
-        /// <param name="descriptor">Yaml Service Descptor</param>
+        /// <param name="descriptor">YamlConfiguration</param>
         /// <param name="config">Configuration Node</param>
         void Configure(IWinSWConfiguration descriptor, YamlExtensionConfiguration config);
 

src/Core/WinSWCore/Util/ConfigHelper.cs

@@ -38,7 +38,7 @@ namespace WinSW.Util
         {
             value = value.ToLower();
 
-            if (value.Equals("true") || value.Equals("yes") || value.Equals("on"))
+            if (value.Equals("true") || value.Equals("yes") || value.Equals("on") || value.Equals("y") || value.Equals("1"))
             {
                 return true;
             }