Added new interactive kmm demo
Merge pull request #1099 from goldbug/develop-kmm-example

Added new interactive kmm demo (issue #885)
Fixed insert in CombinedKernel/CombinedFeatures -- Added some unit tests
Merge pull request #1108 from van51/feature/fix_insert_bug

Fixed insertion in CombinedKernel/CombinedFeatures
Fix SO-SVM constructors missing call to init.
Removed CFeatures::get_size() method (according to https://github.com/shogun-toolbox/shogun/issues/1102).
Merge pull request #1109 from iglesias/feature/fix_init

Fix SO-SVM constructors missing call to init.
add whitespace
temporarily disable combined kernels in gp example
mention prng for mersenne
Merge pull request #1112 from vladislav-horbatiuk/vgorbati-develop

Removed CFeatures::get_size() method (Closes: #1112)