added detrend-percentile preprocessing option
a linear detrended percentile preprocessing method
Merge pull request #9 from chris-stock/preprocess-nonlin-detrend

Preprocess nonlin detrend
Prevent division by zero for empty regions
Fixed import error
Minor performance improvements and refactoring of predictions
Merge branch 'master' of https://github.com/freeman-lab/thunder
Automatically update config with access keys
Proper random data for performance tests
Fixed bugs, added more tests
Fixed formatting
Put returnparams in base class
Fixed arg name
Fixed index bound
Switched colorize default from rgb
Eliminates options for sampling in scatter

- This should be handled by outside plotting functions, with the
automatic sampling as a simple default for when the user passes an RDD
Extract samples outside of plotting
Extract samples outside of plotting
Shell script to automatically setup iPython
Fixed string bug