Merge pull request #20 from mohierf/glpi0.84

Glpi0.84 - new pull request including new features
Fix install and uninstall
Fix sql query for install
Add test for upgrade and fix upgrade plugin
Fix problem on notification period when generate conf
Fix previeous conmit
Add colomn for perfdatadetail
Define notification_period of services and hosts to 24x7 and after it's period of contact used to send or not
Merge branch 'mohierf_glpi0.84' into glpi0.84

Conflicts:
	install/mysql/plugin_monitoring-empty.sql
FIx nntification period
CHange SOFT of mimemap color (radiant)
Fix previous commit
Fix dummy host
Merge pull request #1 from ddurieux/glpi0.84

Glpi0.84