SAMA5D4-EK:  Add a configuration to load a boot program into AT25 FLASH
Update ChangeLog
SAMA5D4-EK: Updates to get the at25boot configuration building correctly
Updated README
Change double_t to double in rint.  Add rintf and rintl while we are at it
Update changelog
SAMA5D4-EK: Fix some AT25BOOT bugs
NET:  Fix some errors in recent network I/O buffering when stack runs from interrupt level
NET:  Another fix for recently introduced networking errors
NET: Last tweaks were still in the editor
Minor update to AT25BOOT; Updated README file
Updated README
Fix another place where sem_tryalloc may be called from the interrupt level.  Thanks Manuel
SAMA5D4-EK: NSH confuration now has FAT/ROMFS, /dev/zero, /dev/random via TRNG, an NSH startup script, and a RAM disk at /tmp
NET: Create net/sockets directory and hook into the build/configuration system
Move all socket-related files from net/ to net/socket.  Move net/net.h to net/socket/socket.h
Update ChangeLog
Move IPv6 files from net/uip to net/ipv6
Rename net/uip to net/devif.  Rename uip/uip.h to devif/devif.h
Rename many functions in net/devif from uip_* to devif_*