* remove stuff to be removed 0.19
* more changes
* remove classes from 0.19 whatsnew
* remove _LearntSelectorMixin
* remove ProjectedGradientNMF, load_lwf_*
* minor fixes
* remove more copy from logistic regression path
* remove lda, qda from __init__.__all__
* remove pg solver in nmf from tests etc
* remove class_weight="auto" from tests
* doctest change for decision_function_shape="ovr"
* remove transfrom from tree test, minor fixes to tree tests
* some fixes in the tests
* undo changes in functions which still allow 1d input...
* also allow 1d in scale
* more test fixes...
* last test fixes in forest and tree
* svm default value change doctest failures
* pep8
* remove more class_weight="auto" stuff
* minor cosmetics in docstrings deprecated / removed behavior.
* say that store_covariance has been moved to __init__ in discriminant_analysis
update params and minor change
add onlineLDA example
rename onlineLDA to LatentDirichletAllocation
raise NotFittedError in trnasform
change model name in LDA example
cython optimization for online LDA model
fix import error
add evaluate_every parameter in online LDA model
add score in LDA model
fix doc format
update variable name and improve docs
fix broken example and change parameter name to n_samples & n_features
add check_non_negative function in LDA
add parameter to specify online/batch VB in fit method
improve documentation
set default hyper parameter to 1 / n_topics
use gen_batches in example
remove old func from example
Thomas J. Fan