[1.2.X] Fixed #14145 - undeterministic behavior when project or app template contains dotdir

  
Thanks to marbu for report and patch.

Backport of [13668] from trunk.



git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13681 bcc190cf-cafb-0310-a4f2-bffc1f526a37