[trunk] Missing 'Copyright' Text

Setup: MuseScore trunk rev 4266 running on Windows XP SP3.

Steps:
1) load or create a score;
2) click the "Create\Text" menu bar or right-click anywhere on the score and click the "Text" menu from the pop-up message box.

Result: Copyright Text is missing.

Note:
- When creating a new score and Copyright text is entered in the 'Create New Score' wizard, the copyright text is visible in the score but there is no way to edit it.
- The 'Copyright' Text is available in Musescore v1.0.