Added .gitignore to ignore binnie binary
Updated usage()
Added comment describing procedure.
Changed tabs to spaces in comment.
Updated instructions for developers in README-hacking
Added symbolic links to gnulib headers for error, gettext, and progname.
Added link to xalloc.h and xalloc-oversized.h from gnulib
Omnibus commit bringing binnie up to working state to replicate original into all three bins.