MB-7603 Mention unsafePurgeBucket request type in CHANGES file.
MB-7603 Mention unsafePurgeBucket request type in CHANGES file.

Change-Id: I157d700edf096cf210d1063ec2ee07130c0b4197
Reviewed-on: http://review.couchbase.org/24344
Reviewed-by: Sriram Melkote <6e123024090c81641eddcf48ff05a5605ab92a4f@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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