Plasmoid to show list of opened windows.

Requirements:
KDE4 >= 4.2

Features:
- shows windows (optionally) grouped by desktop (with it name, on left mouse button click);
- "Cascade windows" and "Unclutter windows" actions;
- selecting window activates it;
- selecting active window minimizes it;
- actions menu for each window after right clicking on it's entry;
- list of windows on current desktop (on middle mouse button click);
- configurable keyboard shortcut.
