In previous version of Xcode there was a repository section in Organiser which is now missing in Xcode 5. How to export project to SVN in Xcode 5.
Select Source Control -> Check Out… This shows a “Check Out” dialog.
Source Control -> Check Out…
Select SVN from Recents or Repositories tab.
Now, select the directory in which to check out the project.
Click on “Check Out”. This updates the local project to remote SVN.