Pretty_Reducer --> PrettyReducer
trying to get modality barplots+nmf space to work together
renaming and aligning
NMF space plotting works but bar is weird
add bar plot of all samples
Make sure using same NMF reducer to transform
add splicing modality and events across celltypes to Study
add celltype sizes and docstring for event counts
add celltype modalities to cells
change nmf to work on only data with minimum number of samples
Fix index changing
update travis ci to the open version
Merge pull request #60 from YeoLab/modalities

Add easier modalities plotting and calculation