Remove debug print in contribs
Merge pull request #947 from stefanv/build/contribs

Remove debug print in contribs
Use nearest neighbor interpolation and a gray-level color map for plotting feature matches
Merge pull request #948 from stefanv/bug/plot_matches-cmap-interp

Use nearest neighbor interpolation and a gray-level color map for plotting feature matches
Merge branch 'master' of https://github.com/scikit-image/scikit-image
MAINT: use region.bbox
MAINT: use region.area
Merge pull request #957 from sciunto/fixdoc

MAINT: use region.bbox
Merge branch 'master' of https://github.com/scikit-image/scikit-image
Convert incoming novice images to ubyte