moved brIfy function to top level
moved brIfy function to top level

Because it makes sense as a top-level helper.

Change-Id: I35f51ac24f51bec7a17961a407a90da3e8eb74e1
Reviewed-on: http://review.couchbase.org/9891
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

membase/ns_server,membase/ns_server,daverigby/ns_server,daverigby/ns_server,ceejatec/ns_server,nimishzynga/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,pavel-blagodov/ns_server,ceejatec/ns_server,mschoch/ns_server,nimishzynga/ns_server,daverigby/ns_server,nimishzynga/ns_server,daverigby/ns_server,membase/ns_server,membase/ns_server,daverigby/ns_server,vzasade/ns_server,ceejatec/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,mschoch/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,vzasade/ns_server,mschoch/ns_server,vzasade/ns_server,pavel-blagodov/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,vzasade/ns_server,pavel-blagodov/ns_server,mschoch/ns_server,ceejatec/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,membase/ns_server,membase/ns_server,t3rm1n4l/ns_server