Itseez/opencv — pull request #2841 by SpecLad (2014-06-09 14:05:21+00:00)
Title: Merge 2.4 into master

Original pull requests:

* #2818 from StevenPuttemans:fix_linux_tutorial
* #2834 from atinfinity:pullreq/140606-TickMeter-2.4