Fix miscapitalisation in OML4R's README
Fix miscapitalisation in OML4R's README

nodeID was bistakenly written down as nodeId.

Reported by Fraida Fund.

Signed-off-by: Olivier Mehani <9858fe98d2c7f5f35e0d2a08f134cfc58afd42d3@nicta.com.au>

mytestbed/oml,alco90/soml,mytestbed/oml,mytestbed/oml,alco90/soml,lees0414/EUproject,mytestbed/oml,lees0414/EUproject,mytestbed/oml,alco90/soml,lees0414/EUproject,lees0414/EUproject,alco90/soml,lees0414/EUproject,alco90/soml