Added new metric data aggregation methods: sum, min and max (besides existing avg)
Added new metric data aggregation methods: sum, min and max (besides existing avg)
Fixed missed newline
Usage example of aggregation methods other than averaging
Usage example of aggregation methods other than averaging
Usage example of aggregation methods other than averaging
Usage example of aggregation methods other than averaging
this is not needed anymore
Merge branch 'aggregators' of https://github.com/apatiev/umpire into apatiev-aggregators

Conflicts:
	Readme.md
	lib/umpire/web.rb