katspaugh/wavesurfer.js — pull request #190 by pitrackster (2014-05-13 12:48:35+00:00)
Title: Double click on marker handler to delete it

- added the ability to delete a marker by double clicking on it's handler
- edited ```clearSelection``` method to avoid javascript error ```selMark0``` or ```selMark1``` can be undefined when calling the method