Issue #95  Return jobCost and flowCost in job and flow apis
Updating to name cost consistently
Merge pull request #96 from vrushalic/cost_in_job_flow_rest_api

Cost in job flow rest api
Merge branch 'master' of https://github.com/twitter/hraven

# By Vrushali Channapattan
# Via Joep Rottinghuis (1) and Vrushali Channapattan (1)
* 'master' of https://github.com/twitter/hraven:
  Updating to name cost consistently
  Issue #95  Return jobCost and flowCost in job and flow apis