Cleanup and css optimisation
Merge pull request #47 from miniche/feature-cleanup

Cleanup and css optimisation
Replace some bash function by their python brother + unification of checks between Linux en Mac
Refactor function getting the name and os version.
Cleanup imports and loadavg refactor
Merge pull request #48 from CentralReport/feature-unification-commands

Unification of checks
Merge remote-tracking branch 'origin/develop' into feature-os-integration

Conflicts:
	centralreport/cr/daemon.py