possible fix for gmodule link error on some environments (#74). Updated copyright year.
extended the blinking period of tray icon to 10 seconds.
added missing locks on idle callbacks.
removed all warnings output with -Wall.
added the option to toggle window on trayicon click.
implemented trayicon notification with eggtrayicon.
only disable new mail notification when a new mail is actually read.
added icons for notifying the arrival of new mail.
trayicon_set_notify(): unset blinking correctly.
fixes main window kept hidden on popup with another process.
trayicon.c: fixed trayicon_destroy().
cleanup trayicon on exit.
added 16x16 Sylpheed icon.
some code cleanups.
added mail arrival notification at tray icon.
trayicon.c: fixed compilation failure.
implemented tray icon in Win32.
force iconify even if window is hidden by always-on-top windows when trayicon is clicked.
modified storing into trayicon.
don't enable trayicon action if modal window exists. Present window on click if main window is obscured.
fixed account selector of compose window having unintended mnemonic.
perform show/hide on trayicon click. Implemented popup menu on trayicon.
handle destroy event properly.
enable compilation on MinGW.
separated trayicon into another module, and notify new messages with trayicon on receive.