hdf5: Add timestamps values
rrd: Fix urls links in case we are under a subdomain
[rrd] fix a absolute link in design.css
Merge branch 'lschoepps-fix_url_for_reverse_proxy'
Merge branch 'timestamps_hdf5' of https://github.com/lschoepps/kwapi-g5k into lschoepps-timestamps_hdf5
Merge branch 'lschoepps-timestamps_hdf5'
hdf5: Added params for data type (min, max, mean and quartiles)