Added #security rules, missing import and NEWS and README files

NEWS

+2.0
+
+* SAML tokens are not stored in res_users anymore to avoid locks on that table.
+

README

+This is a module for odoo/OpenERP 7. It provides authentification via SAML.

__init__.py

 import controllers
 import auth_saml
 import res_users
+import token

__openerp__.py

@@ -23,7 +23,7 @@
 
 {
     'name': 'Saml2 Authentication',
-    'version': '1.2.1',
+    'version': '2.0',
     'category': 'Tools',
     'description': """
 Allow users to login through Saml2 Provider.

security/ir.model.access.csv

 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
 access_auth_saml_provider,auth_saml_provider,model_auth_saml_provider,base.group_system,1,1,1,1
+access_auth_saml_token,access_auth_saml_token,model_auth_saml_token,,0,0,0,0