Merge pull request #42 from yuta-masuda/next

Next
Merge branch '0.24rc' into basil
use Test::Exception, Test::Number::Delta
split Cv/Stitcher
fix houghCircles() params
add %PREREQ_PM
add depend
fixed VERSION
remove unused code
add test hasqt
fixed cvFastArctan error
add Cv::Test
add prototype
fixes for issue #46
We might get a round flower from Cpan Testers.
fix compile error around cvEncodeImage()
rewrite t/2matchTemplate.t to fix issue #45
perhaps matchTemplate has changed in version 2.4.4 or later.