Created the 1D FFT lab and added it to vol2 imports.
Continued editing fft labs and added some necessary files including plot creation file.
Merge branch 'fft' of https://github.com/jhendr/numerical_computing into fft
Made some edits to fft labs and plot function.  Added some necessary files.
Split the FFT lab into Alg. lab and App. lab.  Made a few other small changes and added the second lab to Vol2.tex.
Merge branch 'develop' into fft
Small changes to fft labs and plot files.
Added image and wav files.
Added image and .wav files for filter and convolution lab.
redid spacing in mst lab
Changed some plots.
Merge branch 'develop' into fft
Fixed a compilation issue in volume 2
Merge pull request #210 from insertinterestingnamehere/typofix

Fixed a compilation issue in volume 2
Merge pull request #211 from AZaitzeff/more

Added a little of dicussion
Merge pull request #209 from jhendr/fft

FFT
fixed a few typos
Merge branch 'master' into typos
more edits to kruskals algorithm.
Merge pull request #212 from insertinterestingnamehere/typos

grammar fixes in MST lab