[algorithms.basisextension] add pod_basis_extension
[la.basic] vectorize induced_norm
[operators.fv] add L2Product
[discretizations.nonlinear] bugfix
[discretizers.advection] assemble l2-product and use visualize_glumpy_patch
[operators.constructions] cleaner handling of bases in project_operator
[reductors.basic] chose maximum dim_source over all operators for empty RB
[operators] import rb_project_operator
[analyticalproblems.burgers] add parameter space
[demos] add burgers demo