add clang-format linting job to CI
add clang-format linting job to CI

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