Merge branch 'master' into filter1
refactoring based on  https://github.com/scalanlp/breeze/issues/145
started on partial fourierTr
Merge branch 'end_slicing' into filter1
first shot at sliced fft samples
Single point fourier
Merge branch 'master' of https://github.com/scalanlp/breeze into filter1
DesignFilterDecimation
DenseVector.tabulate( Range )
   ... trying to create convolve with range and fourier with range ...
   ... problems with UFunc with >3 arguments...
Convolve/Correlate sliced values, passing tests.
Merge pull request #140 from ktakagaki/filter1

Filter1
Update documentation link in the readme.
Added basic PCA implementation and unit tests.
Made matrix equality checks more lenient in PCA tests.
Merge pull request #152 from jasonbaldridge/master

Added basic PCA implementation and unit tests.
fix to 	#151
Merge remote-tracking branch 'scalanlp/master'
formatting, and use new-style breeze variance