* plugins/excel/boot.c: s/main.h/libgnumeric.h/

* plugins/excel/ms-excel-write.c: Ditto.

* src/libgnumeric.c: Renamed from src/main.c. Don't include main.h

* src/corba-args.c: s/main.h/libgnumeric.h/

* src/main-application.c: s/main.h/libgnumeric.h/

* src/main-component.c: s/main.h/libgnumeric.h/

* src/normal-args.c: s/main.h/libgnumeric.h/

* src/print.c: s/main.h/libgnumeric.h/

* src/workbook.c: s/main.h/libgnumeric.h/

* src/workbook-control-gui.c: s/main.h/libgnumeric.h/