Add minor features:

- File dialog should remember last opened folder
- Add dynamic key-value dialog that work on any object
- Window list panel should show window title in tooltip when mouse hovering on application icon
- Improvement application list in market place

src/packages/MarketPlace/scheme.html

@@ -18,7 +18,7 @@
                             <p class="stat"><afx-label data-id="vstat"></afx-label></p>
                         </div>
                     </afx-hbox>
-                    <div data-height = "grow">
+                    <div data-id="desc-container">
                         <p data-id = "app-desc"></p>
                         <ul data-id = "app-detail"></ul>
                     </div>