Add some missing logging to conf service and clean up associated tests a touch
Add base layer implementation of covariate directory configuration option
Middle tier changes for configurable covariate dir
Front-end changes for configurable covariate directory.
Add some logs to misc controller
Resolve analysis results.
trivial
Merge pull request #78 from SEEG-Oxford/137-covariate-configuration-backend

Add new configurable property for covariate directory.