Merge remote-tracking branch 'origin/support/2.7' into support/3.0

# Conflicts:
#	application/cmdbabstract.class.inc.php
#	application/utils.inc.php
#	bootstrap.inc.php
#	composer.json
#	core/MyHelpers.class.inc.php
#	core/cmdbsource.class.inc.php
#	core/config.class.inc.php
#	core/dbobject.class.php
#	core/kpi.class.inc.php
#	core/metamodel.class.php
#	lib/composer/autoload_classmap.php
#	lib/composer/autoload_real.php
#	lib/composer/autoload_static.php

application/applicationextension.inc.php

@@ -2185,4 +2185,28 @@ class RestUtils
 interface iModuleExtension
 {
 	public function __construct();
+}
+
+/**
+ * KPI logging extensibility point
+ *
+ * KPI Logger extension
+ */
+interface iKPILoggerExtension
+{
+    /**
+     * Init the statistics collected
+     *
+     * @return void
+     */
+    public function InitStats();
+
+    /**
+     * Add a new KPI to the stats
+     * 
+     * @param \Combodo\iTop\Core\Kpi\KpiLogData $oKPILogData
+     *
+     * @return mixed
+     */
+    public function LogOperation($oKPILogData);
 }