move from HDF5able to Pickle protocol
expensive properties should really be methods
face_normals from property to method
pseudoinverse, aligned_soource move to properties
av_aligned_error -> mean_alignment_error GPA
adds daisy features
adds daisy tests
Merge remote-tracking branch 'upstream/master' into hdf5abletopickle
Merge pull request #470 from jabooth/methodsproperties

expensive properties should really be methods
Fix from_mask for Trimesh subclasses

Handle masking tcoords and colours for textured/coloured
trimeshes
Merge pull request #473 from patricksnape/from_mask_fixes

Fix from_mask for Trimesh subclasses
Merge remote-tracking branch 'upstream/master' into hdf5abletopickle
remove hdf5able, menpo.io{save,load}
remove h5it from conda
adds _daisy.py in external, changes default params
removes visualization from _daisy.py
Merge pull request #472 from nontas/daisy

Daisy features
adds normalize norm and std in Image class
Merge pull request #475 from nontas/normalize_image

Normalize norm and std of Image object
Fix residuals for AAMs

Now AAMs are hardcoded to take the SSD. Also, renamed LSIntensity
to SSD.

Also, removed the optimisation choice for LK as it was useless
anyway since only GN was implemented.