Fixes: Introduce a cpp settingspage containing file naming conventions (lower case and suffixes). Reorder VCS settings pages.

Task: 241959, 248085

RevBy: Optics/Naming checked by con
Details: Give IOptionPage an id() to differentiate from trName(). Make showOptionsDialog return a bool (applied) and give it an optional parent. Change Cpp and form class wizards, give them a Configure... button to change those settings.

src/plugins/help/docsettingspage.cpp

@@ -41,14 +41,20 @@ DocSettingsPage::DocSettingsPage(QHelpEngine *helpEngine)
 {
 }
 
-QString DocSettingsPage::name() const
+QString DocSettingsPage::id() const
 {
-    return "Documentation";
+    return QLatin1String("Documentation");
 }
 
+QString DocSettingsPage::trName() const
+{
+    return tr("Documentation");
+}
+
+
 QString DocSettingsPage::category() const
 {
-    return "Help";
+    return QLatin1String("Help");
 }
 
 QString DocSettingsPage::trCategory() const