Merge pull request #348 from mayabrandi/master

Update of lims2db code.
Stupid variable overwriting. Fixes #349
Add --set-roles option. New singleton class COnfig that holds configuration values
Logs looked a bit weird the other way around
Merge pull request #350 from guillermo-carrasco/master

Add --with-exceptions option
pull request comments fixed
Merge branch 'master' of https://github.com/SciLifeLab/scilifelab