simplify CombinedFeatures and make it private
features.utils -> feature.global_features
TST fix tests
replace Ngram global feature with Pattern
DOC fix autodocs
DOC minor fixes
(backwards-incompatible) kill default features:
1. rename DEFAULT_TAGSET to EXAMPLE_TAGSET;
2. rename DEFAULT_FEATURES to EXAMPLE_TOKEN_FEATURES;
3. make token_features empty by default in create_wapiti_pipeline.
(backwards-incompatible) rename "transform" to "predict" for estimator classes
Merge branch 'master' into python-crfsuite-support
DOC: fix crfsuite docstring