Merge pull request #612 from rizard/master

...t/floodlightcontroller/statistics/IStatisticsService.java

.../floodlightcontroller/statistics/StatisticsCollector.java

.../floodlightcontroller/statistics/SwitchPortBandwidth.java

...loodlightcontroller/statistics/web/BandwidthResource.java

...t/floodlightcontroller/statistics/web/ConfigResource.java

...troller/statistics/web/SwitchPortBandwidthSerializer.java

...ontroller/statistics/web/SwitchStatisticsWebRoutable.java

...es/net.floodlightcontroller.core.module.IFloodlightModule

src/main/resources/floodlightdefault.properties