ADD Keystone plugin test
ADD Keystone tests for role extraction
FIX Remove accidental g
FIX Remove spaces around equal sign
Merge pull request #32 from telefonicaid/task/sonarProperties

FIX Remove spaces around equal sign
Merge branch 'develop' of github.com:telefonicaid/fiware-orion-pep into task/keystonePlugin
ADD PEP Authentication against Keystone
ADD Get userId from keystone
ADD Get roles from keystone (test)
ADD Get roles from keystone (test)
ADD Complete Keystone interaction
ADD Complete Keystone interaction
FIX Linter errors