Fixed minimal version of Eigen3 that supports sparse matrices
Merge branch 'release/3.0.0'

Conflicts:
	src/shogun/lib/tapkee/tapkee_defines.hpp
Merge branch 'release/3.1.0'
Merge branch 'release/3.1.1'
Merge branch 'master' of https://github.com/shogun-toolbox/shogun
seed the rng to the heisenbug and make the kernel more diagonally
dominant to make it p.d.
link quickstart
Merge branch 'release/3.2.0'
Merge branch 'master' of github.com:shogun-toolbox/shogun