entstate-650 Rename to ENTITY-STATE-TC-MIB

<Juergen>
"f) If we keep the TC module, we may want to follow the MIB review
guidelines and call the module ENTITY-STATE-TC-MIB (see Appendix
C of the MIB review guidelines ID)."
</Juergen>

Propose change from ENTITY-STATE-TC  to ENTITY-STATE-TC-MIB

Sharon Chisholm
Nortel Networks
Ottawa, Ontario
Canada