NET: emoved all includes of uip.h; added includes of ip.h wherever needed.  Tried to fix problems of the now missing sneak inclusions because uip.h was removed.  There are probably a few of these that were missed.

AMA5 OHCI: Pointers to allocated port values were not being nullified after being deallocated.  This caused some assertions when debug was enabled

SMARTFS: Increase some variables from uint16_t to uint32_t to handle larger device sizes.  From Ken Pettit