Added tool 'fit_beta_model.py'.
Added tool 'fit_beta_model.py'.

fit_beta_model.py
* fit provided data with beta model
* ignore the inner-most n data points for the fitting

liweitianux/atoolbox,liweitianux/atoolbox,liweitianux/atoolbox,liweitianux/atoolbox,liweitianux/atoolbox,liweitianux/atoolbox