Merge pull request #100 from vezzi/devel

this can be pushed to master
Merge branch 'NGI_devel' into NGI_master
Merge branch 'master' of github.com:vezzi/ngi_pipeline into NGI_master
Add slurm_time_to_seconds utility function
Import fn
Merge pull request #101 from mariogiov/devel

Right, I broke everything in the last PR
Merge branch 'NGI_devel' into NGI_master
Merge branch 'master' of github.com:NationalGenomicsInfrastructure/ngi_pipeline into NGI_master