Update to 24.4.0

Changelog:
Fixed in Thunderbird 24.4
MFSA 2014-32 Out-of-bounds write through TypedArrayObject after neutering
MFSA 2014-31 Out-of-bounds read/write through neutering ArrayBuffer objects
MFSA 2014-30 Use-after-free in TypeObject
MFSA 2014-29 Privilege escalation using WebIDL-implemented APIs
MFSA 2014-28 SVG filters information disclosure through feDisplacementMap
MFSA 2014-27 Memory corruption in Cairo during PDF font rendering
MFSA 2014-26 Information disclosure through polygon rendering in MathML
MFSA 2014-17 Out of bounds read during WAV file decoding
MFSA 2014-16 Files extracted during updates are not always read only
MFSA 2014-15 Miscellaneous memory safety hazards (rv:28.0 / rv:24.4)
Updated mail/thunderbird to 24.4.0
Updated mail/thunderbird-l10n to 24.4.0
Update to 24.4.0

* Sync with thunderbird 24.4.0
Update medit to 1.2.0.

2014-03-20  Yevgen Muntyan  <emuntyan@users.sourceforge.net>

    * === Released 1.2.0 ===

    Updated Spanish translation by Eulogio Serradilla.
    New Polish translation by Piotr Orzechowski.
    Fixed a bug in parsing grep output for UNC paths on windows.
    Updated syntax highlighting definitions.
    Fixed compilation with new glib and gcc.
    Exposed more functionality, in particular the output pane, to scripts.
    Finally made file completion case-insensitive on windows.
Updated editors/medit to 1.2.0
Add library for iconv to LDFLAGS in all cases, not only SunOS.
detection of iconv is not sufficient, especially for the case iconv from pkgsrc
is preferred to builtin one in libc.
libass-0.11.1 [https://github.com/libass/libass]