Itseez/opencv — pull request #2472 by alalek (2014-03-12 13:56:38+00:00)
Title: TAPI: stitching

**DONT MERGE. WIP**

Merge with `opencv_extra`
Merge after #2426, #2428, #2469

check_regression=OCL*stitch*:OCL*Warp*:OCL*Remap*