Merge branch 'hotfix/0.1.1'
refactor of BaseData, Study, ExpressionData.

"self.pooled" and "self.outliers" and "self.singles" are now properties
refactor of the backend way that data is stored
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Update README.md
get rid of StudyFactory, revamp internals with pooled/singled/data
Update developement instructions
fix ipython_interact and subsets
rename metadata kwargs to be prepended with "metadata_"
add timestamps to stdout ouptuts
Merge branch 'feature/shalek2013_figures' of github.com:YeoLab/flotilla into feature/shalek2013_figures

* 'feature/shalek2013_figures' of github.com:YeoLab/flotilla:
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remove build dir from git
removed autogenerated text from base dir of docs
move thresholding into BaseData
decontaminate DataModel from DecompositionViz
docs cleanup and add installation, what's new
make feature_renamer compatible with multiindexes
speed up feature data selection
move test dir to flotilla