increase scope of data_dir fixture
Add official version
fix test_external, remove test_ipython_interact
add test gene list
fix feature_subset fixture for plot_pca test
Made "version" a required argument to Study (so "save" of a study bumps the version number correctly)
Fix violinplots when there are not outlier cells, and
Convert randomly assigned phenotype colors to hex colors from rgb
Make sure set1 is only hex, not rgb colors
move expression threshold to be on the raw data, not hte logged data
Merge branch 'release/0.1.0' of github.com:YeoLab/flotilla into release/0.1.0

* 'release/0.1.0' of github.com:YeoLab/flotilla:
  Make sure set1 is only hex, not rgb colors
  Convert randomly assigned phenotype colors to hex colors from rgb
  Fix violinplots when there are not outlier cells, and
move expression threshold cutoff to before log-transforming data
actually move expression threshold
fix expressiondata and study tests
if feature_data is None, make an empty DataFrame for feature subsetting
remove big block of commented code
Never standardize SplicingData, since it's already standardized from 0 to 1
Merge pull request #100 from YeoLab/release/0.1.0

First release!

Minor performance issues and enhancements to follow in 0.1.1