Required files
sprockets/version
hike
sprockets/engines
sprockets/mime
sprockets/processing
sprockets/compressing
sprockets/paths
sprockets/directive_processor
sprockets/safety_colons
sprockets/charset_normalizer
sprockets/sass_compressor
sprockets/yui_compressor
sprockets/closure_compressor
sprockets/uglifier_compressor
sprockets/yui_compressor