html/README: add run requirements
revert accidental commit
format date according to iso
use expire_date.strftime()
do not show expire time (only date)
Changed ALT_SUBJECTS to list
Merge remote-tracking branch 'mvo5/feature/html-dashboard' into feature/html-dashboard

Conflicts:
	html/convert-cert-status.py
Removed leading and trailing brackets
Bootstrapped Layout