Fixed the save button of project settings dialog, and setting the window title after saving settings

nw/gui/projecteditor.py

@@ -86,6 +86,7 @@ class GuiProjectEditor(QDialog):
         self.theProject.setProjectName(projName)
         self.theProject.setBookTitle(bookTitle)
         self.theProject.setBookAuthors(bookAuthors)
+        self.close()
         return
 
     def _doClose(self):

nw/gui/winmain.py

@@ -206,6 +206,7 @@ class GuiMain(QMainWindow):
     def editProjectDialog(self):
         dlgProj = GuiProjectEditor(self, self.theProject)
         dlgProj.exec_()
+        self._setWindowTitle(self.theProject.projName)
         return True
 
     ##