Polina Goltsman issue 1

"sec. 1.1
========
old:
   storage rather than for bulk storage of large objects.  Records are
   stored under numeric addresses which occupy the same space as node
new:
   storage rather than for bulk storage of large objects.  Records are
   stored under numeric addresses, called Resource-IDs, which occupy
   the same space as node

Resource-IDs are used in 1.2.2 but not introduced"

- As suggested.