Add option to specify logical sector size during low level format plus adds some run-time geometry tests.  fs/smartfs: Remove the 'mksmartfs()' code from the kernel 'fs'
  directory and build.

Fixed a mismatching between the drawlinewindow's prototype and it's implementation

open() has been extended.  You can now open block drivers and access them just as you can character drivers.  For example, you can hexdump a block device.

RTC: Fix system time initialization when using an exernal RTC.  Fix some bugs in the DS1307/DS3231 RTC driver

drivers/mtd/smart.c  Fixed SmartFS wear level error that occurs when the logical sector size is too small to save all wear level status bytes in a single sector.  Logical sectors 1 and 2 were simply not being allocated and then the read_sector and write_sector routines were failing.  From Ken Petit

stdio: Define BUFSIZ

stdlib: Fix forgotten FARs

atoi(): Cast return value to int