add expire date to the output of verify_cert_is_valid
basic html output converter
add cron helper and cleanup for the html status generation
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
Added tablesort support. still buggy
Fixed table sort
Merge pull request #1 from LAndreas/feature/html-dashboard

Feature/html dashboard
its /usr/bin/python (well, except for macos I guess ;)
add some basic information on the generated html page
move text into bootstrap container
Merge pull request #11 from mvo5/feature/html-dashboard

Feature/html dashboard