symbology - Showing arrowheads in line end using QGIS?

I would like to show arrowheads in the endings of every drawn linestring. Is it possible in QGIS?

I have been trying to use a marker line but repeats all de arroheads all over the line, it is not restricted to the ends:

Answer

For 2.16 and up
See @nagib 's answer.

Before 2.16
As pointed out by @underdark, you have to use a marker for the end line with a rotation of 90° if you use a triangle. For the start line you need to add another marker, this one rotated 270°:

If you do not want your arrows to point further than the end of the line, you can add an offset.