* libmisc/Makefile.am, libmisc/shell/main_chmod.c,
libmisc/shell/main_mdump.c, libmisc/shell/main_medit.c,
libmisc/shell/main_mfill.c, libmisc/shell/main_mmove.c,
libmisc/shell/main_msdosfmt.c, libmisc/shell/main_mwdump.c,
libmisc/shell/main_sleep.c, libmisc/shell/main_umask.c,
libmisc/shell/shell_script.c, libmisc/stringto/stringto.h,
libmisc/stringto/stringto_template.h: Convert return type from bool
to rtems_status_code and add rtems_string_to_pointer. Perform
associated clean up and changes for return type change.
* libmisc/stringto/stringtopointer.c: New file.
