More mods to FLD parameter structure. Begun conversion on FLD parameters files in run/RadiationTransportFLD/.
Converted parameter_dictionary to a text file, which at compile time is converted to a string constant and #include'd in the source.
Finished the libconfig conversion of the remaining FS and gFLD initialization routines. Moved these back into solvers/fld/, but the RadHydro*, RHIonization*, and CosmoIonization* stayed in ...