dot product
dot product iter2
Fix memory leak in LibSVMFile.cpp -- ./tests/unit/unit-SGSparseMatrix
Fix memory leak in KernelPCA constructor.
Example of CustomKernel with IndexFeatures in libshogun.
fix function name.
Add IndexFeature to Python interface.
Remove the print function.
Add new example for index feature in custom kernel.
dot product iter3
Modify example output, and output submatrix in python example.
Merge pull request #2125 from sunil1337/eigen3_dot_product

dot product (GPU+CPU)
Modify the shogun-data.
Fixed copy-pastos.
Merge pull request #2176 from tklein23/cleanup

Fixed copy-pastos.
Fix memory leak in Vowpal Wappit: Make sure
* weights are freed properly whereever they are stored.
* when copying weight pointer, set original pointer to NULL to avoid double-frees
Merge pull request #2158 from tklein23/fix_more_memory_leaks

Fix more memory leaks
Adding own contributions to NEWS
Mention MultilabelLabels in NEWS.
Merge pull request #2177 from tklein23/fix_vowpal_wabbit_leak_2nd_iter

Fix memory leak in Vowpal Wappit