Release 0.19b2

* tag '0.19b2': (808 commits)
  Preparing 0.19b2
  [MRG+1] FIX out of bounds array access in SAGA (scikit-learn#9376)
  FIX make test_importances pass on 32 bit linux
  Release 0.19b1
  DOC remove 'in dev' header in whats_new.rst
  DOC typos in whats_news.rst [ci skip]
  [MRG] DOC cleaning up what's new for 0.19 (scikit-learn#9252)
  FIX t-SNE memory usage and many other optimizer issues (scikit-learn#9032)
  FIX broken link in gallery and bad title rendering
  [MRG] DOC Replace \acute by prime (scikit-learn#9332)
  Fix typos (scikit-learn#9320)
  [MRG + 1 (rv) + 1 (alex) + 1] Add a check to test the docstring params and their order (scikit-learn#9206)
  DOC Residual sum vs. regression sum (scikit-learn#9314)
  [MRG] [HOTFIX] Fix capitalization in test and hence fix failing travis at master (scikit-learn#9317)
  More informative error message for classification metrics given regression output (scikit-learn#9275)
  [MRG] COSMIT Remove unused parameters in private functions (scikit-learn#9310)
  [MRG+1] Ridgecv normalize (scikit-learn#9302)
  [MRG + 2] ENH Allow `cross_val_score`, `GridSearchCV` et al. to evaluate on multiple metrics (scikit-learn#7388)
  Add data_home parameter to fetch_kddcup99 (scikit-learn#9289)
  FIX makedirs(..., exists_ok) not available in Python 2 (scikit-learn#9284)
  ...

* releases: (808 commits)
  Preparing 0.19b2
  [MRG+1] FIX out of bounds array access in SAGA (scikit-learn#9376)
  FIX make test_importances pass on 32 bit linux
  Release 0.19b1
  DOC remove 'in dev' header in whats_new.rst
  DOC typos in whats_news.rst [ci skip]
  [MRG] DOC cleaning up what's new for 0.19 (scikit-learn#9252)
  FIX t-SNE memory usage and many other optimizer issues (scikit-learn#9032)
  FIX broken link in gallery and bad title rendering
  [MRG] DOC Replace \acute by prime (scikit-learn#9332)
  Fix typos (scikit-learn#9320)
  [MRG + 1 (rv) + 1 (alex) + 1] Add a check to test the docstring params and their order (scikit-learn#9206)
  DOC Residual sum vs. regression sum (scikit-learn#9314)
  [MRG] [HOTFIX] Fix capitalization in test and hence fix failing travis at master (scikit-learn#9317)
  More informative error message for classification metrics given regression output (scikit-learn#9275)
  [MRG] COSMIT Remove unused parameters in private functions (scikit-learn#9310)
  [MRG+1] Ridgecv normalize (scikit-learn#9302)
  [MRG + 2] ENH Allow `cross_val_score`, `GridSearchCV` et al. to evaluate on multiple metrics (scikit-learn#7388)
  Add data_home parameter to fetch_kddcup99 (scikit-learn#9289)
  FIX makedirs(..., exists_ok) not available in Python 2 (scikit-learn#9284)
  ...

* dfsg: (808 commits)
  Preparing 0.19b2
  [MRG+1] FIX out of bounds array access in SAGA (scikit-learn#9376)
  FIX make test_importances pass on 32 bit linux
  Release 0.19b1
  DOC remove 'in dev' header in whats_new.rst
  DOC typos in whats_news.rst [ci skip]
  [MRG] DOC cleaning up what's new for 0.19 (scikit-learn#9252)
  FIX t-SNE memory usage and many other optimizer issues (scikit-learn#9032)
  FIX broken link in gallery and bad title rendering
  [MRG] DOC Replace \acute by prime (scikit-learn#9332)
  Fix typos (scikit-learn#9320)
  [MRG + 1 (rv) + 1 (alex) + 1] Add a check to test the docstring params and their order (scikit-learn#9206)
  DOC Residual sum vs. regression sum (scikit-learn#9314)
  [MRG] [HOTFIX] Fix capitalization in test and hence fix failing travis at master (scikit-learn#9317)
  More informative error message for classification metrics given regression output (scikit-learn#9275)
  [MRG] COSMIT Remove unused parameters in private functions (scikit-learn#9310)
  [MRG+1] Ridgecv normalize (scikit-learn#9302)
  [MRG + 2] ENH Allow `cross_val_score`, `GridSearchCV` et al. to evaluate on multiple metrics (scikit-learn#7388)
  Add data_home parameter to fetch_kddcup99 (scikit-learn#9289)
  FIX makedirs(..., exists_ok) not available in Python 2 (scikit-learn#9284)
  ...