Use -b to specify the vbuckets to migrate in ebucketmigrator.
Use -b to specify the vbuckets to migrate in ebucketmigrator.

[76658a2722cfc360b68a81107f0c193549bc08f4@tut.by: rebased for 1.8 branch]
Signed-off-by: Aliaksey Kandratsenka <76658a2722cfc360b68a81107f0c193549bc08f4@tut.by>
Change-Id: Icc49d900dd6d4dca356140a6e33de929ade3f542
Reviewed-on: http://review.couchbase.org/11249
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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