acu162875 - Improve avg_rate calculation in Activity stats
acu162875 - Bump version to 2.8.22
acu162875 redo gemspec with RubyGems 1.3.7 for maximum caution
Merge pull request #128 from rightscale/cornsilk_14_8_acu162875_stats_avg_rate

Cornsilk 14 8 acu162875 stats avg rate