Change iprintf stuff to also include iscanf
Change iprintf stuff to also include iscanf

Some scanf uses vnprintf, not vniprintf. We should be
using all integer anyway, so this completes it for a lot
of stdio.

Now instead of IPRINTF=1, it's INTEGER_STDIO=1. Default
is 1.

git-svn-id: 734069fa5dc9fbd4a6141f0e5f6f7ee18d385e6f@541 111db651-790d-0410-a044-b0abe44a5820

Joelgranados/cmucam3,Joelgranados/cmucam3,Joelgranados/cmucam3,Joelgranados/cmucam3,Joelgranados/cmucam3