Replace trivial constructors and destructors with defaults.

model/Model.h

@@ -57,7 +57,7 @@ namespace glabels
 			/////////////////////////////////
 		public:
 			Model();
-			~Model() override {}
+			~Model() override = default;
 
 	
 			/////////////////////////////////

model/XmlCategoryParser.h

@@ -34,7 +34,7 @@ namespace glabels
 		class XmlCategoryParser
 		{
 		public:
-			XmlCategoryParser() {}
+			XmlCategoryParser() = default;
 
 			bool readFile( const QString &fileName );
 

model/XmlPaperParser.h

@@ -34,7 +34,7 @@ namespace glabels
 		class XmlPaperParser
 		{
 		public:
-			XmlPaperParser() {}
+			XmlPaperParser() = default;
 
 			bool readFile( const QString &fileName );
 

model/XmlTemplateCreator.h

@@ -42,7 +42,7 @@ namespace glabels
 		class XmlTemplateCreator
 		{
 		public:
-			XmlTemplateCreator() {}
+			XmlTemplateCreator() = default;
 
 			bool writeTemplates( const QList<const Template*> tmplates, const QString& fileName );
 			bool writeTemplate( const Template* tmplate, const QString& fileName );

model/XmlTemplateParser.h

@@ -36,7 +36,7 @@ namespace glabels
 		class XmlTemplateParser
 		{
 		public:
-			XmlTemplateParser() {}
+			XmlTemplateParser() = default;
 
 			bool readFile( const QString &fileName );
 			Template *parseTemplateNode( const QDomElement &node );

model/XmlVendorParser.h

@@ -34,7 +34,7 @@ namespace glabels
 		class XmlVendorParser
 		{
 		public:
-			XmlVendorParser() {}
+			XmlVendorParser() = default;
 
 			bool readFile( const QString &fileName );