Merge pull request #11 from oliversalzburg/fix/10

Use the reference branch to get files

Author: Ilya Radchenko

lib/webapp.js

@@ -39,7 +39,7 @@ module.exports = {
 
     getFile: function (filename, ref, account, config, project, done){
         var repo_id = project.provider.repo_id,
-            branch = project.branches[0].name;
+            branch = ref.branch;
 
         var uri = util.format("projects/%d/repository/blobs/%s?filepath=%s", repo_id, branch, filename);