COSMIT: variable name
MISC: variable names + doc
TST: make test work on recent numpy
Externalize function transform_single_niimg
COSMIT: PEP8
Put masker parameters in dictionnary
WIP on multi_pca
Add session_pca
Backup old canica script
MISC: add travis
API: change utils to _utils
Add missing file
Add missing files
MISC: travis.yml
Fix travis.yml
API: imports in _utils/__init__
Rename canica
BUG: make nilearn work on sklearn 0.12
BUG: wrong import
TST: Fix tests under numpy 1.8.0