Update linters. Closes #557

* Update git-hooks and jscs versions
* Update jshint-groups and jscs configs
* Check bemhtml and bemtree with jscs
* Fix all errors

// cc @narqo @dfilatov 
https://github.com/bem/bem-core/blob/issues/557%40v2/common.blocks/inherit/inherit.vanilla.js#L170
https://github.com/bem/bem-core/blob/issues/557%40v2/common.blocks/inherit/inherit.vanilla.js#L181