RFR: Merge LoopMicroBenchmarkHandler & ShotMicroBenchmarkHandler back into the single class.

[Aleksey Shipilev]

On 06/11/2013 04:47 PM, Sergey Kuksenko wrote:
> Implementations of classes LoopMicroBenchmarkHandler and
> ShotMicroBenchmarkHandler are very similar. The only minor difference
> exists between Loop* and Shot* logic. Merging all logic back into the
> single class will be much less error prone and much more convenient for
> further development.

Again, looks good. This patch should have been done first :)
Let me see if that breaks any tests. I'll push afterwards.

-Aleksey.