Fix search engine
Send only one restart order
Improve getHostsLocation WS
Remove bad echo line ... sorry !
Fix getHostsLocation WS ...

... allow hosts not monitored to be fetched for location.
Fix and improve WS

- entities list instead of entity id
- improve getHostsLoation
Fix button inactive with Firefox and panel look ...

Conflicts:
	front/menu.php
Manage updated elements in Shinken message

Actually only added and deleted elements are considered to display
resources that force Shinken to restart ... I added 'update' resources
used by kiosks plugin and that should also be used in Monitoring plugin
...