generate contract js file

Author: iurimatias

lib/pipeline/pipeline.js

@@ -97,10 +97,13 @@ class Pipeline {
 
   buildContractJS(contractName) {
     let contractJSON = fs.readFileSync('dist/contracts/' + contractName + '.json').toString();
+    let EmbarkJSLib  = fs.readFileSync(fs.embarkPath("js/embark.js")).toString();
 
     let contractCode = "";
     contractCode += contractName + "JSONConfig = " + contractJSON + ";\n";
+    contractCode += EmbarkJSLib + "\n";
     contractCode += contractName + " = new EmbarkJS.Contract(" + contractName + "JSONConfig);\n";
+    contractCode += "module.exports = " + contractName + ";\n";
 
     return contractCode;
   }