Refs #9081 First pass at the fit function
Refs #9081 More modifications to the fit function
Refs #9081 More modifications
Refs #9081 Fixing some bugs
Refs #9081 First pass at the test file
Refs #9081 Debug test file
Refs #9081 Small clean up
Refs #9081 Various fixes
Refs #9081 Small modifications
Refs #9081 comment the import of the python debugger
Refs #9081 Add linear interpolator

A linear interpolator is needed when the energies for the channels do not
coincide with the fitting domain
Refs #9081 Added WIKI comments
Merge branch 'feature/9081_DSFinterp1DFit' into develop