Implemented an alternative to #656 that improves on the error message
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into weimer_alternative_to_656
Merge pull request #661 from Microsoft-CISL/weimer_alternative_to_656

Better error messages when duplicate file names are added
update the Retained Evaluators example for VLDB2014 demo: specify
-num_eval number of evaluators to run on, have better logging + minor
refactoring.
Merge pull request #668 from Microsoft-CISL/sergiym_re_benchmark

update the Retained Evaluators example for VLDB2014 demo
bugfix: pass numEvaluators to the driver config
Merge branch 'sergiym_re_benchmark'
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into shravanmn_groupcom
add cmd.exe prefix when running shellactivity on windows
Merge pull request #669 from Microsoft-CISL/YingdaReef

add cmd.exe prefix when running shellactivity on windows
fixed a typo in HelloREEF
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into shravanmn_groupcom