fixes rescale by changing scipy interp (adds test)
mv data to menpo/data
Merge pull request #268 from jabooth/datamv

mv data to menpo/data
moves nearest to rescale
very minor doc change
include all pyx/c/cpp/h/hpp files and data folder
Change mode to overwrite users kwargs
added exception if mode is set in kwargs
Merge pull request #267 from nontas/rescale

rescale fix