Perform parsing asynchronously...

...to avoid blocking the ui thread. Parsing will now performed
in a separate thread, except for small changes where this would
create too much overhead.

Change-Id: I1db441594f1684f969bb86c9423c0fb0bcb1a53a
Reviewed-by: Andre Poenitz <andre.poenitz@theqtcompany.com>

plugins/autotest/autotestplugin.cpp

@@ -21,6 +21,7 @@
 #include "testrunner.h"
 #include "testsettings.h"
 #include "testsettingspage.h"
+#include "testtreeitem.h"
 #include "testtreeview.h"
 #include "testtreemodel.h"
 #include "testresultspane.h"
@@ -57,7 +58,10 @@ AutotestPlugin::AutotestPlugin()
 {
     // needed to be used in QueuedConnection connects
     qRegisterMetaType<TestResult>();
-    // Create your members
+    qRegisterMetaType<TestTreeItem>();
+    qRegisterMetaType<TestCodeLocationAndType>();
+    qRegisterMetaType<TestTreeModel::Type>();
+
     m_instance = this;
 }