Changed function names in KTComplexFFTW.
Changed class structure for fs data classes: now there are core base classes, and the regular fs data classes also inherit from those.
Finished non-writer processors in the analysis library.
Made KTCorrelationData inherit from KTFrequencySpectrumDataPolarCore.
Added new data class KTWignerVilleData.
Adapted type writers in the analysis library to the new data system.
Moved KTBasicASCIITypeWriterTS to the Egg library.
Partial set of corrections from debugging-by-compiler