update example data
Test fixes
add datapackage directory for appending to path, data_package --> datapackage
fix violinplot to dropna and if there's only one dot for a single color
fix embark to check if the "study_name" is really a link to a datapackage file
Move Study properties to MetaData
plot_classifier works with colors!
Add metadata/spikein/mapping stats files
Add sample_id_to_color back
Fix feature subsets of interactive_*
fix data types in feature subsets
move plot_nmf_transitions to BaseData, remove pooled label in violinplot (make it not the default), remove NMFViz __call__
Fix docstring of binify
Add check for whether bins is None
min samlpes to 5, change feature subsets to have at least 10 feature ids in each category, edit binify to dropna, add xlabel/ylabel to violinplot, add NMF space transitions
Make custom binify for expression data
Fix xlabel/ylabel for violinplots in plot_feature
Add plot_big_nmf_space_transitions
data_obj --> DataModel, and add feature_renamer if featurewise
Move renamed_to_feature_id to a property