Added LDA algorithm and tests

bob/bio/base/algorithm/LDA.py

bob/bio/base/algorithm/PCA.py

bob/bio/base/algorithm/__init__.py

bob/bio/base/config/algorithm/lda.py

bob/bio/base/config/algorithm/pca_lda.py

bob/bio/base/test/data/lda_model.hdf5

bob/bio/base/test/data/lda_projected.hdf5

bob/bio/base/test/data/lda_projector.hdf5

bob/bio/base/test/test_algorithms.py

setup.py