* cygwin-setup.ico: New file.
* cygwin-terminal.ico: New file.
* cygwin.ico: New icons.
* desktop.cc (make_link): Take additional argument to take arguments
for shortcut. Append arg to argbuf.
(start_menu): Take additional argument to take argments for shortcut.
Add to call to make_link.
(desktop_icon): Ditto.
(save_icon): Take path and name of resource as arguments. Replace
Cygwin icon if it's the old one.
(do_desktop_setup): Save Cygwin standalone and Cygwin terminal icons.
Rename desktop and start menu shortcut name to "Cygwin Terminal", use
the cygwin terminal icon for them, and point them to mintty.
* res.rc: Change splash icon to keep size of original icon.
(IDI_CYGWIN_SETUP): New entry.
(IDI_CYGWIN_TERMINAL): New entry.
(CYGWIN-SETUP.ICON): New entry.
(CYGWIN-TERMINAL.ICON): New entry.
* resource.h (IDI_CYGWIN_SETUP): Define.
(IDI_CYGWIN_TERMINAL): Define.