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
Migrated from mongrel to thin
Ruby 1.8.x compat

Three changes to hash syntax and Umpire appears to work with Ruby 1.8.x
Merge branch 'thin'
Merge branch 'aggregators'