RF - default input in get_sphere corrected
BF - minor changes to fact_tracking
NF - chaning design of fact propogator
NF - adding to spherical_harmonic_models along with some tests, first set of tests passing
RF - a little bit of cleanup in spherical_harmonic_models
RF - a little bit of cleanup in test_spherical_harmonic_models
RF - fact_tracking
RF - adding bootstraping to data
Merge branch 'master' of github.com:Garyfallidis/dipy
Merge branch 'master' into opdt
Merge branch 'fact-tracking' into alp
File added for scanner parameterization using GQI
Added in get_data option for GQI wave vectors
FX fsl.py not tracked
FX external tests added too
Merge branch 'master' of github.com:Garyfallidis/dipy
DOC Updated GQI docstring
NF started working on dsi reconstruction
TEST added test for dsi
NF Simulating Sticks and Ball