Merge pull request scikit-learn#881 from amueller/fix_ica_components_rename

FIX renamed what was `components_` to `sources_`

Author: agramfort

sklearn/decomposition/fastica_.py

@@ -334,8 +334,10 @@ class FastICA(BaseEstimator):
 
  Attributes
  ----------
- `components_` : 2D array, [n_components, n_samples]
+ `components_` : 2D array, [n_components, n_features]
  The unmixing matrix
+ `sources_`: 2D array, [n_samples, n_components]
+ The estimated latent sources of the data.
 
  Notes
  -----
@@ -372,7 +374,7 @@ def fit(self, X):
  self.components_ = np.dot(unmixing_, whitening_)
  else:
  self.components_ = unmixing_
- self.components_ = sources_
+ self.sources_ = sources_
  return self
 
  def transform(self, X):