FIX add missing min_size parameter, add regression test.
slight performance improvement.
Merge pull request #795 from amueller/fix_felsenszwalb_minsize

BUG: Felsenszwalb minsize parameter not passed on in single channel case
Fix bug in homography detection
Explicitly cast image shape to integer value
Add some more comments
Re-enable clipping which was accidentally removed
Do not derive piecewise affine from projective transform
Added novice submodule after rebase
Fix whitespace
Cleanups to imports and line wrapping
Clean up novice __init__

Move functions from __init__ to novice module and clean up package docstring.
Doctest now passes.
Change test class to test functions
Speed up test
Cleanup docstrings.

Note that the getter (not setter) docstring gets printed at the interactive prompt
Remove color scraping script and intermediate data file
Change inflate/inflation to rescale/scale.
Clean up docstrings.

__getitem__/__setitem__ docstrings aren't typically displayed so they're
unnecessary. Move and fix doctests as well.
Remove unnecessary functions.
Fix `modified` flag behavior