0.1a6

[ysig]

Merge of version 0.1a6 onto the main branch. Changes include:

• More scikit-learn compatibility:

  1. Initialise kernels by name and alias on GraphKernel (as GraphKernel(kernel="shortest_path").
  2. Fit and instantion by default parameters.
  3. Random number generator standardized check_random_state. random_seed are now random_state arguments.
  4. Doctests.

• Miscelanous:

  1. Detailed unsupported kernel output.
  2. More detailed licensing information considering cvxopt and BLISS
  3. Small bugfix inside the (Count Sensitive) Neighborhood Hash Kernel.
  4. Added sparse-compatibility for VertexHistogram and for EdgeHistogram.