Added stricter controls over the returned values by the datasource.

Added logging for data source input and output.

(cherry picked from commit 4642c2bc)

This reverts commit 4642c2bc.

Fixed incorrect initialization for python 3 environments

Introduce CI package to handle installation and development

Updated edm version in .travis.yml

Specify KPIs at the MCO level

Merged #143 - Removed now useless checks as they are checked via traits

Adds the missing optional parameter to ProbeMCOFactory.create_model

Introduce Verifier to check if a model can run and if not, report the errors.

More robust logging for BDSS