spgram: modifying interface to allow for different window functions
asgram: updating ascii spectrogram to use periodogram internally
Merge branch 'master' of ganymede
spgram: normalizing output, changing example to show averaged PSD
asgram: adding more levels, simplifying interface, improving example
sandbox: adding msresamp test script
resamp/benchmark: conforming benchmark name to filter semi-length
resamp/example: modifying example to reflect issues with spectral resolution
doc/spgram: updating to comply with new API
optim/gradsearch: removing unnecessary gradsearchprops object
optim/gradsearch: adding autotest for rosenbrock function
optim/gradsearch: adding (disabled) autotest for max utility