Full version number.

(cherry picked from commit d6a4a32d)

dist/changes-1.2.1

-The QtCreator 1.2 release is a bug fix release and updates translations.
+The QtCreator 1.2.1 release is a bug fix release and updates translations.
 
 Below is a list of relevant changes. You can find a complete list of changes
 within the logs of Qt Creator's sources. Simply check it out from the public git
@@ -22,4 +22,4 @@ Debugging
    * Made it possible to build the debugging helpers for Qt 4.4 again
    
 I18N:
-   * Fixed Russian translation
\ No newline at end of file
+   * Fixed Russian translation