Code fixes and additions#3

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bugbyte wants to merge 4 commits into

dixcart:masterfrom

bugbyte:master

Commits on Sep 24, 2012

Added methods getSummaryPerformance, getSummaryHoursOfDay, getSummaryAverage.
Bert-Jan de Lange
committed
Added a composer.json
Bert-Jan de Lange
committed

Commits on Oct 17, 2012

Errors don't always have a message
Bert-Jan de Lange
committed

Commits on Mar 19, 2013

byprobe-parameter causes server error at Pingdom; removed for now
Bert-Jan de Lange
committed