Move Introspection Tool creation to instance bootstrap

portal_instrospections is been used by SlapOS as a single place for detect
lack of configuration (ie.: Missing bt5s, Missing memcache configuration...)

Move to tnstance creation make things cleaner and it creates a standard
place for information collection.

bt5/erp5_base/ToolTemplateItem/portal_introspections.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="Introspection Tool" module="erp5.portal_type"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>portal_introspections</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>

bt5/erp5_base/bt/revision

-986
\ No newline at end of file
+987
\ No newline at end of file

bt5/erp5_base/bt/template_keep_path_list

+portal_introspections
\ No newline at end of file

bt5/erp5_base/bt/template_tool_id_list

-portal_introspections
 portal_roundings
 portal_solver_processes
 portal_solvers

product/ERP5/ERP5Site.py

@@ -1694,6 +1694,7 @@ class ERP5Generator(PortalGenerator):
     addERP5Tool(p, 'portal_domains', 'Domain Tool')
     addERP5Tool(p, 'portal_tests', 'Test Tool')
     addERP5Tool(p, 'portal_password', 'Password Tool')
+    addERP5Tool(p, 'portal_introspections', 'Introspection Tool')
     addERP5Tool(p, 'portal_acknowledgements', 'Acknowledgement Tool')
 
     # Add ERP5Type Tool