Bug 2715: Just log % of vbuckets lost
Bug 2715: Just log % of vbuckets lost

Otherwise it would show as a huge list. I tried to make it wrap but it
printed asterisks instead.

Change-Id: I28c4293458ff461b433911c3449d0c2c53e5a1c8
Reviewed-on: http://review.northscale.com/3141
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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