[debug] display time taken by detection in detector
[tests] Added a bit more of output to integration test
[tests] Added more test images

These trick chilitags because they embed tags in square cards
Bumped to 1.1
Support for OpenCV 3.0

Support for OpenCV older than 2.4 is probably lost.

Some changes are still under #ifdef OPENCV3 because incompatible
changes. In particular, {opencv2/ts/ts.hpp->opencv2/ts.hpp}
Bumped to 1.2
fixed zealous warnings