Change repository URls

Closes #2219

PowerEditor/bin/readme.txt

@@ -26,7 +26,7 @@ Notepad++ official site:
 	https://notepad-plus-plus.org/
 
 Notepad++ project site:
-	https://github.com/donho/notepad-plus-plus/
+	https://github.com/notepad-plus-plus/notepad-plus-plus/
 
 Notepad++ wiki:
 	http://docs.notepad-plus-plus.org/

PowerEditor/src/NppCommands.cpp

@@ -2563,7 +2563,7 @@ void Notepad_plus::command(int id)
 		}
 		case IDM_PROJECTPAGE :
 		{
-			::ShellExecute(NULL, TEXT("open"), TEXT("https://github.com/donho/notepad-plus-plus/"), NULL, NULL, SW_SHOWNORMAL);
+			::ShellExecute(NULL, TEXT("open"), TEXT("https://github.com/notepad-plus-plus/notepad-plus-plus/"), NULL, NULL, SW_SHOWNORMAL);
 			break;
 		}