Make output endian-tolerant by making intnum and floatnum output functions for

Make output endian-tolerant by making intnum and floatnum output functions for
arch.  This will also simplify other objfmt expr output functions.  Change
file functions to use bits instead of byte/short/long, and create both little
and big endian versions.  This name change caused changes in several other
files.

svn path=/trunk/yasm/; revision=747