Add production dependencies

node_modules/clean-css/lib/tokenizer/marker.js

@@ -0,0 +1,26 @@
+var Marker = {
+  ASTERISK: '*',
+  AT: '@',
+  BACK_SLASH: '\\',
+  CARRIAGE_RETURN: '\r',
+  CLOSE_CURLY_BRACKET: '}',
+  CLOSE_ROUND_BRACKET: ')',
+  CLOSE_SQUARE_BRACKET: ']',
+  COLON: ':',
+  COMMA: ',',
+  DOUBLE_QUOTE: '"',
+  EXCLAMATION: '!',
+  FORWARD_SLASH: '/',
+  INTERNAL: '-clean-css-',
+  NEW_LINE_NIX: '\n',
+  OPEN_CURLY_BRACKET: '{',
+  OPEN_ROUND_BRACKET: '(',
+  OPEN_SQUARE_BRACKET: '[',
+  SEMICOLON: ';',
+  SINGLE_QUOTE: '\'',
+  SPACE: ' ',
+  TAB: '\t',
+  UNDERSCORE: '_'
+};
+
+module.exports = Marker;