Qml conditional component creation.

[roachsinai]

Have made a pull request to cut right margin of dropdown if no icon, image, submenus to show #26 .

And thougt it will be better use Dynamic QML Object Creation from JavaScript to create icon, image as needed.

[shocklateboy92]

@roachsinai : hey, you still up for doing this? If so, let me know - I'd like to discuss the exact structure a little more with you.

[roachsinai]

@shocklateboy92 I'm sorry, I'm on Xfce4 a few days. That's why that PR need you review.