started on #83 and added open recent menu

ui/sourcetable.cpp

@@ -41,6 +41,7 @@ void SourceTable::mousePressEvent(QMouseEvent* event) {
 }
 
 void SourceTable::mouseDoubleClickEvent(QMouseEvent* ) {
+    stop_rename_timer();
 	if (selectedItems().count() == 0) {
 		panel_project->import_dialog();
 	} else if (selectedItems().count() == 1) {

ui/timelinewidget.cpp

@@ -985,7 +985,6 @@ void TimelineWidget::mouseMoveEvent(QMouseEvent *event) {
             for (int i=0;i<track_size;i++) {
                 int clip_index = getClipIndexFromCoords(panel_timeline->drag_frame_start, panel_timeline->split_tracks[i]);
                 if (clip_index > -1) {
-                    Clip* c = sequence->get_clip(clip_index);
                     QVector<int> tracks = panel_timeline->get_tracks_of_linked_clips(clip_index);
                     for (int j=0;j<tracks.size();j++) {
                         // check if this track is already included