Gui: Change title bar to include build name

Nightly builds now have "Citra Nightly" in the titlebar
Bleeding edge builds now have "Citra Bleeding Edge" in the titlebar

src/citra_qt/bootmanager.cpp

@@ -101,8 +101,8 @@ private:
 GRenderWindow::GRenderWindow(QWidget* parent, EmuThread* emu_thread)
     : QWidget(parent), child(nullptr), keyboard_id(0), emu_thread(emu_thread) {
 
-    std::string window_title =
-        Common::StringFromFormat("Citra | %s-%s", Common::g_scm_branch, Common::g_scm_desc);
+    std::string window_title = Common::StringFromFormat("Citra %s| %s-%s", Common::g_build_name,
+                                                        Common::g_scm_branch, Common::g_scm_desc);
     setWindowTitle(QString::fromStdString(window_title));
 
     keyboard_id = KeyMap::NewDeviceId();