Revert "Don't include "class_list" from same directory."
Revert "Don't include "class_list" from same directory."

This reverts commit 15209a2c5e584a2044238f11a664c8cf1a8bfcc1.

sorig/shogun,Saurabh7/shogun,lisitsyn/shogun,lambday/shogun,geektoni/shogun,besser82/shogun,sorig/shogun,karlnapf/shogun,Saurabh7/shogun,Saurabh7/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,geektoni/shogun,geektoni/shogun,besser82/shogun,lisitsyn/shogun,lisitsyn/shogun,lisitsyn/shogun,lisitsyn/shogun,lambday/shogun,lisitsyn/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,lambday/shogun,besser82/shogun,lambday/shogun,geektoni/shogun,Saurabh7/shogun,Saurabh7/shogun,besser82/shogun,Saurabh7/shogun,sorig/shogun,geektoni/shogun,karlnapf/shogun,Saurabh7/shogun,sorig/shogun,lambday/shogun,karlnapf/shogun,Saurabh7/shogun,Saurabh7/shogun,sorig/shogun,lambday/shogun,besser82/shogun,sorig/shogun,karlnapf/shogun,karlnapf/shogun,geektoni/shogun,karlnapf/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,besser82/shogun