* src/modest-text-utils.[ch]:

* src/modest-text-utils.[ch]:
        * Added modest_text_utils_validate_recipient. This validates
          addresses in a@b.c format, but also in "name" <a@b.c> and
          name <a@b.c> formats.
* src/maemo/modest-msg-view-window.c:
        * Now add to contacts menu option is dimmed if the clipboard
          does not contain a valid recipient.
* src/widgets/modest-recpt-editor.c:
        * Added an implementation of backspace valid for gtk < 2.10.

pmo-trunk-r1723