Prep for NuttX-6.27 release
Fix minor typos
Add option to zipme.sh to provide the build ID on the command line
Automatically re-generated configuration variable documentation when NuttX release tarballs are created
More improvements to zipme.sh tool
LPC17: Interrupts not being re-enabled in the initialization function
Implement UDP sendto() timeouts.  Currently disabled because it probably unnecessary.
Add MTD partition support plus fix some typos in comments
Add configuration and example to test MTD partitions
Changes to get the MTD test working
Incorporate comments from Ken Petit
Add -h option to NSH git command; And NSH mksmartfs command.  From Ken Petit
Add support for the MikroElektronika Mikromedia for STM32F4 development board.  From Ken Petit
Add support for the MikroElektronika Mikromedia for STM32F4 development board.  From Ken Petit
SMART block driver plus changes to M25P and RAM drivers needed for SMART support
Add Ken Pettit's SMART FS
Add system/flash_eraseall NSH command
Add tests for the SMART block driver and file system.  From Ken Pettit
Misc changes for clean built od mikroe-stm32f4 configurations
Add an optional byte-oriented write method to the MTD interface