fix node list cache (was generator by mistake)
fix node list cache (was generator by mistake)

Change-Id: I6fc8d2658a82a4c44053a843b4dee54c827ffada
Reviewed-on: http://review.couchbase.org/24791
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

ronniedada/litmus,ronniedada/litmus,couchbase/cbmonitor,mikewied/cbagent,couchbase/cbagent,pavel-paulau/cbagent,vmx/cbagent,couchbase/cbmonitor