#3724, #3723 Several polyline annotation updates

Renamed from polyline to polylines.
Split into PolylinesFromFile and UserDefinedPolylines
Add import of polylines from file

ApplicationCode/Commands/AnnotationCommands/RicImportPolylinesAnnotationFeature.h

@@ -0,0 +1,37 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2018-     equinor ASA
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "cafCmdFeature.h"
+
+//==================================================================================================
+/// 
+//==================================================================================================
+class RicImportPolylinesAnnotationFeature : public caf::CmdFeature
+{
+    CAF_CMD_HEADER_INIT;
+
+protected:
+    // Overrides
+    bool isCommandEnabled() override;
+    void onActionTriggered( bool isChecked ) override;
+    void setupActionLook( QAction* actionToSetup ) override;
+};
+
+