class wizards: Do not qualify constructors with explicit, do not use "virtual".

Again, consistency with other existing code generators. explicit is only useful
for libraries and confuses new users. virtual is not repeated for subclasses in
Qt.
by other generators either.

src/plugins/designer/cpp/formclasswizardparameters.cpp

@@ -115,13 +115,13 @@ bool FormClassWizardParameters::generateCpp(QString *header, QString *source, in
     }
     headerStr << " {\n" << namespaceIndent << indent << "Q_OBJECT\n"
               << namespaceIndent << "public:\n"
-              << namespaceIndent << indent << "explicit " << unqualifiedClassName << "(QWidget *parent = 0);\n";
+              << namespaceIndent << indent << unqualifiedClassName << "(QWidget *parent = 0);\n";
     if (embedding == PointerAggregatedUiClass)
-        headerStr << namespaceIndent << indent << "virtual ~" << unqualifiedClassName << "();\n";
+        headerStr << namespaceIndent << indent << "~" << unqualifiedClassName << "();\n";
     // retranslation
     if (languageChange)
         headerStr << '\n' << namespaceIndent << "protected:\n"
-                  << namespaceIndent << indent << "virtual void changeEvent(QEvent *e);\n";
+                  << namespaceIndent << indent << "void changeEvent(QEvent *e);\n";
     // Member variable
     if (embedding != InheritedUiClass) {
         headerStr << '\n' << namespaceIndent << "private:\n"

src/plugins/qt4projectmanager/wizards/libraryparameters.cpp

@@ -117,7 +117,7 @@ void LibraryParameters::generateCode(QtProjectParameters:: Type t,
     }
     headerStr << namespaceIndent << "public:\n";
     if (inheritsQObject) {
-        headerStr << namespaceIndent << indent << "explicit " << unqualifiedClassName << "(QObject *parent = 0);\n";
+        headerStr << namespaceIndent << indent << unqualifiedClassName << "(QObject *parent = 0);\n";
     } else {
         headerStr << namespaceIndent << indent << unqualifiedClassName << "();\n";
     }