make the current tests passed
resolved issue with test_job_stats occasionally failing, resolved merge issues
Merge branch 'develop'

change resque version to be >= 1.17, since dc uses resque 2.0.0.pre
Merge branch 'develop'

add timeseries_fetcher to get stats by job_name so resque web doesn't need to load all job classes
fix an issue in timeseries_fetcher.rb
Changed timezone back to UTC