Regroup icons in ressource files

.gitattributes

@@ -1886,6 +1886,10 @@ GraphicsView/demo/GraphicsView/MainWindow.ui -text
 GraphicsView/demo/GraphicsView/icons/movingPoint.png -text
 GraphicsView/demo/GraphicsView/makefile -text
 GraphicsView/demo/icons/Delaunay_triangulation_2.png -text
+GraphicsView/demo/icons/File.qrc -text
+GraphicsView/demo/icons/Input.qrc -text
+GraphicsView/demo/icons/Logos.qrc -text
+GraphicsView/demo/icons/Triangulation_2.qrc -text
 GraphicsView/demo/icons/Voronoi_diagram_2.png -text
 GraphicsView/demo/icons/cgal_logo.xpm -text
 GraphicsView/demo/icons/fileNew.png -text

GraphicsView/demo/icons/File.qrc

@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/cgal/fileToolbar" >
+        <file>fileNew.png</file>
+        <file>fileOpen.png</file>
+        <file>fileSave.png</file>
+    </qresource>
+</RCC>

GraphicsView/demo/icons/Input.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/cgal/Input" >
+        <file>inputPolyline.png</file>
+    </qresource>
+</RCC>

GraphicsView/demo/icons/Logos.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/cgal/logos" >
+        <file>cgal_logo.xpm</file>
+    </qresource>
+</RCC>

GraphicsView/demo/icons/Triangulation_2.qrc

@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/cgal/Triangulation_2" >
+        <file>Delaunay_triangulation_2.png</file>
+        <file>Voronoi_diagram_2.png</file>
+    </qresource>
+</RCC>