fixes ImageWindowIterator bug
Fixes project_out_vectors method.

- It also adds a convinient method property _jacobian to be used by the Simultaneous family of LK algorithms for fitting AAMs
adds imaewindowiterator tests
removes ceil
changes imagewindowiterator tests
adds hog dalaltriggs test
Catch TypeError for Windows path
Hotfix to gaussian pyramid

- The previous code was producing masks with incorrect shape, this hotfix solves the problem.
Merge pull request #272 from ja310/hotfix_gaussian_pyramid

Hotfix to gaussian pyramid
numerical comparison should always be == not is
another path error for windows
removes ceil and floor from dalaltriggs
removes useless comments from hog.cpp
Merge pull request #273 from jabooth/windowspath

Windows Hotfixes
Update README.md
Update README.md
zhuramanan n_channels test
shutup Procrustes.
Merge pull request #274 from jabooth/quietgpa

shutup Procrustes.
adds igo, es and lbp n_channels tests