Required files
chef/mixin/shell_out
chef/mixin/check_helper
chef/mixin/checksum
chef/mixin/command
chef/mixin/convert_to_class_name
chef/mixin/create_path
chef/mixin/deep_merge
chef/mixin/from_file
chef/mixin/language
chef/mixin/language_include_attribute
chef/mixin/language_include_recipe
chef/mixin/params_validate
chef/mixin/recipe_definition_dsl_core
chef/mixin/template
chef/mixin/xml_escape