Changed output of django-admin.py --version to use a hyphen instead of parenthesis, to be clearer

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3460 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management.py

@@ -78,7 +78,7 @@ def get_version():
     from django import VERSION
     v = '.'.join([str(i) for i in VERSION[:-1]])
     if VERSION[-1]:
-        v += ' (%s)' % VERSION[-1]
+        v += '-' + VERSION[-1]
     return v
 
 def get_sql_create(app):