* src/modest-platform.h:

* src/modest-platform.h:
        * Added a new platform function for showing information banner. Should
          remove a new dependency in common non specific maemo code.
* src/modest-dimming-rules-group.c:
        * Now it does not use hildon information banner, but the new platform
          equivalent.
* src/modest-ui-actions.c:
        * Now it shows an information banner on copying the messages to outbox
          (fixes NB#59332).
* src/maemo/modest-platform.c:
        * Added implementation of the new information banner platform function,
          that uses the hildon information banner.

pmo-trunk-r2350