NIST nonlinear regression test

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Problem from the NIST nonlinear regression test set http://www.itl.nist.gov/div898/strd/nls/nls_main.shtml

These are all nonlinear least squares problems.

Name in the report	Implemented in JSO?	name of the file in JSO

• [ ] Misra1a
• [ ] Chwirut2
• [ ] Chwirut1
• [ ] Lanczos3
• [ ] Gauss1
• [ ] Gauss2
• [ ] DanWood
• [ ] Misra1b
• [ ] Kirby2
• [ ] Hahn1
• [ ] Nelson
• [ ] MGH17
• [ ] Lanczos1
• [ ] Lanczos2
• [ ] Gauss3
• [ ] Misra1c
• [ ] Misra1d
• [ ] Roszman1
• [ ] ENSO
• [ ] MGH09
• [ ] Thurber
• [ ] BoxBOD
• [ ] Rat42
• [ ] MGH10
• [ ] Eckerle4
• [ ] Rat43
• [ ] Bennett5