Adding travis for builds; Fixing converter

Author: mrodrig

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "0.10"

lib/converter.js

@@ -26,14 +26,12 @@ var buildOptions = function (opts) {
 module.exports = {
 
     json2csv: function (array, callback, opts) {
-        if (!opts) { opts = OPTIONS(); }
-        else { opts = buildOptions(opts); }
+        opts = buildOptions(opts);
         json2Csv.json2csv(opts, array, callback);
     },
 
     csv2json: function (csv, callback, opts) {
-        if (!opts) { opts = OPTIONS(); }
-        else { opts = buildOptions(opts); }
+        opts = buildOptions(opts);
         csv2Json.csv2json(opts, csv, callback);
     }