Use core instead of old slap.

setup.py

@@ -32,7 +32,7 @@ setup(name=name,
         'lxml', # for full blown python interpreter
         'netaddr', # to manipulate on IP addresses
         'setuptools', # namespaces
-        'slapos.slap', # uses internally
+        'slapos.core', # uses internally
 #        'slapos.toolbox', # needed for libcloud, cloudmgr, disabled for now
         'xml_marshaller', # need to communication with slapgrid
         'zc.buildout', # plays with buildout