Merge tag '0.22'

Cv-0.22 released
Merge branch '0.22'
added init for Cv::Seq::Point->new
Merge branch 'refs/heads/0.23' into 0.24
new branch
Merge branch 'master' into 0.24
Merge commit '9b9697f1a8b0c13a5cc75748bae2d7c34ba19bdd' into 0.24
reduced constraints in the object inheritance
reduced constraints in the object inheritance
reduced constraints in the object inheritance
fixed Cv::Seq object inheritance
changed Cv::Seq::STORAGE to Cv::STORAGE
fixed issue #8, 9, 10
fixed issues #10
#13
#12
#12
#13
fiexed #11
fixed #13