created import and probe tasks

app/task/probe/probe.cpp

@@ -0,0 +1,20 @@
+#include "probe.h"
+
+#include <QFileInfo>
+
+#include "decoder/probeserver.h"
+
+ProbeTask::ProbeTask(Footage *footage) :
+  footage_(footage)
+{
+  QString base_filename = QFileInfo(footage_->filename()).fileName();
+
+  set_text(tr("Probing \"%1\"").arg(base_filename));
+}
+
+bool ProbeTask::Action()
+{
+  olive::ProbeMedia(footage_);
+
+  return true;
+}