ENH rename Scaler to StandardScaler everywhere

doc/developers/utilities.rst

doc/modules/classes.rst

doc/modules/manifold.rst

doc/modules/preprocessing.rst

doc/modules/sgd.rst

examples/cluster/plot_cluster_comparison.py

examples/linear_model/plot_logistic_l1_l2_sparsity.py

examples/linear_model/plot_sparse_recovery.py

examples/svm/plot_rbf_parameters.py

sklearn/cluster/_k_means.pyx

sklearn/linear_model/tests/test_randomized_l1.py

sklearn/preprocessing.py

sklearn/tests/test_common.py

sklearn/tests/test_pipeline.py