refs #768, wizard allowing to map models from pilot client

* step by step guiding thru mapping steps
* single model write function in writer
* adjusted stylesheet

src/blackgui/share/qss/stdwidget.qss

@@ -50,7 +50,7 @@ QMainWindow::separator:hover {
   background: transparent;
 }
 
-/* Dialog, sometime main window */
+/* Dialog, sometimes main window */
 QDialog {
   background-image: url(:/textures/icons/textures/texture-outer.jpg);
   background-color: darkslategray;
@@ -513,6 +513,10 @@ QTableView, QTreeView, QListView {
   padding:0px;
 }
 
+QTableView::item:selected {
+  background-color: blue;
+}
+
 QTreeView {
   show-decoration-selected: 1;
 }