removing the vendored optparse in favor of a pure-coffeescript optparse library

lib/coffee_script/underscore.js

@@ -706,7 +706,7 @@
   };
   // JavaScript templating a-la ERB, pilfered from John Resig's
   // "Secrets of the JavaScript Ninja", page 83.
-  // Single-quotea fix from Rick Strahl's version.
+  // Single-quote fix from Rick Strahl's version.
   _.template = function template(str, data) {
     var c, fn;
     c = _.templateSettings;