Simplified DefaultViewConverter's conversion methods. They now return lightweight views rather than copying data whenever possible.
bugfixes
bugfix; it turned out that DenseDesignMatrix.shape should always be in (0, 1, 'c') order
before fixing DefaultViewConverter to assume a ('b', 'c', 0, 1) memory layout order in desicn matrices
tests pass. Now remove debug printfs.
tests pass. Now remove debug printfs.
commit before merging in master
Merge branch 'master' into efficient_view_converter
addressed Madison and Ian's PR comments, except for testing this PR's impact on the performance of runing cifar10.yaml (it crashed on the master branch)
Merge branch 'master' into efficient_view_converter
Merge pull request #1073 from SuperElectric/efficient_view_converter

Efficient view converter