Memcounter: utility class to measure memory usage
This class can help in improving the memory management and garbage
collection of an application, by displaying the status of the
heap, memory consumption between two points (start()..stop()).
defines the end tab when dragging. depending on the position
(first or second half of the tab), the dragged tab will be inserted
left or right of the current one
defines the tab to detach when the mouse button was pushed in the