Moved old KTWindowFunction class files to OldAnalysis.
Renamed KTBundleWindowFunction files KTWindowFunction
Fixed implementations of KTRectangularWindow, KTHammingWindow, and KTHannWindow.
Added TestWindowFunction.cc.
Removed "window" from the names of the rectangular, Hann, and Hamming windows.
Added Blackman-Harris window.
Minor change to the names of the factory registrars for four different window functions.
Added KTSincWindow.
Updated KTWindowFunction to use FFTW arrays and removed unnecessary calculations.
Fixed the sinc function to span the time series correctly.
Made RebuildWindow functions public.
Removed the AdaptTo function that allowed a separate length setting.
Added KTWindower.
Partial initial work on the polyphase filter bank.
Further partial work on KTPolyphaseFilterBank.
Added KTSincWindow to the FFT library build and added use of the sinc window function to TestWindowFunction.
Merge branch 'refs/heads/develop' into PFB
Merge branch 'refs/heads/develop' into PFB
Merge branch 'refs/heads/develop' into PFB
Archived sliding-window processors to OldAnalysis.