Additional message types added for TS and E2

Message types added in RIC message types header
for E2_RESET and TS (traffic steering).

This change also includes additional constants in
rmr.h to help framework code improve readability.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I3e0f358b4f34f461ea09dfe7d823c6251d4e398b
5 files changed