prepared support for raid 50 and 60
added RAID 50, 60 and 6
added IOPS description per volume
version geändert
fixed but that showing effective disk space a GB instead of TB
changed order of raid types in list
better raid iops description
changed RAID description text
put raid 10 and 01 into same configuration item (but still support old URL styles)
corrected RAID calculations
change version back to master
Merge commit '41ce4ac15ed26cedcd10e804e96f327eadec29dd'

Conflicts:
	index.js
Merge branch 'raid-50-60'