Corrected throughput calculation
requested to merge github/fork/MobiTV-AB/fix-bandwidth-estimation-for-high-throughput into RC3_v1.5.2
Created by: TobbeMobiTV
Added a missing factor of 1000 when downloading segments is very fast. Fixes #937 (closed).
Test-content http://rdmedia.bbc.co.uk/dash/ondemand/testcard/1/client_manifest-events.mpd