* add user and system cpu usage to go benchmarks
* fix import and style issues
* sample elapsed time diffs after merging histograms
* style fixes and variables renames
* add pprof server to benchmark workers to grab different profile stats
* rename variables for consistency and default to no pprof
Change log print
Ignore cpu core list and return the actual number of cores used
Add copyright
Change certfile and keyfile path to relative
RunClient() returns "not implemented" error
Close existing server when new server setup received
Main goroutine will wait for server to stop
Move benchmarkServer out of workerServer