updated miniapp command line parser defaults
updated miniapp command line parser defaults

fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,MITK/MITK