MB-100: added file fragmentation info to cbcollect_info output
MB-100: added file fragmentation info to cbcollect_info output

Change-Id: I4a17ec4c1fa26c8686be164acda2408ad99a4a73
Reviewed-on: http://review.couchbase.org/25709
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

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