Merge pull request #4 from zoidy/master

Improvement to morris
readme markdown
allow any confidence interval. return indices from function in same order as the parameter file, with dictionary keys describing what the values are
add custom conf levels to sobol
allow returning indices from sobol function
allow fast to return indices
clean up and test examples. more explanation in the python example.
clean up and test examples. more explanation in the python example.
readme
fix bug in EFAST first order calculation. Array indexing was off by 1.
vectorize sobol index calculations
move row/column check to np.loadtxt ndmin option. Also list comp for creating empty arrays in sobol
no math lib in sobol
remove unneeded sampling
working on module structure
still working, need to test fast
python test examples working. getting rid of ndmin=2 in analyze functions
stop tracking nonsense txts
sampling from cli seems to work
cleaner sh comments