* extensions/realtime_graphs.php
extensions/realtime_graphs/realtime_graphs.js: Fix timezone
differences in realtime graphs when client (browser) and
server (console instance host) have different timezone.
Now it takes always the server timezone.
Ticket: #853
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@10187 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f