* mobile/operation/events.php, mobile/operation/module_graph.php,
mobile/operation/modules.php, mobile/operation/networkmaps.php,
mobile/operation/groups.php, mobile/operation/agents.php,
mobile/operation/tactical.php, mobile/operation/networkmap.php,
mobile/operation/alerts.php, mobile/operation/agent.php,
mobile/include/ui.class.php: added the back button in the head and
impoved the source code style to make more easy the merges with
the last branch.
* include/functions_graph.php: fixed PHP notices.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@8468 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
13c8e650ed