MB-8545: do not allow node self-rename when name is set manually
MB-8545: do not allow node self-rename when name is set manually

Change-Id: I7f7721fe6fc7b0fd6b60d60984a4f28089bbfcb1
Reviewed-on: http://review.couchbase.org/27264
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

vzasade/ns_server,vzasade/ns_server,daverigby/ns_server,mschoch/ns_server,nimishzynga/ns_server,vzasade/ns_server,nimishzynga/ns_server,daverigby/ns_server,membase/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,ceejatec/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,membase/ns_server,nimishzynga/ns_server,daverigby/ns_server,mschoch/ns_server,ceejatec/ns_server,nimishzynga/ns_server,membase/ns_server,membase/ns_server,daverigby/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,membase/ns_server,mschoch/ns_server,membase/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,ceejatec/ns_server,mschoch/ns_server,ceejatec/ns_server,nimishzynga/ns_server