Group owners can see group disk usage
Fix labels and styles for disk usage pages
webadmin groups sorted by name
Add the history text file to the upstream repository
Include the history file in the distributed server
Add copy-history to build-dist target dependencies
Merge pull request #2988 from will-moore/disk_usage_group_owners

Group owners can see group disk usage
Merge pull request #3003 from sbesson/version_history

Add the history text file to the upstream repository