Use silly American spelling for initialised

IPython/core/events.py

@@ -123,7 +123,7 b' def post_run_cell():'
     pass
 
 @_define_event
-def shell_inited(ip):
+def shell_initialized(ip):
     """Fires after initialisation of :class:`~IPython.core.interactiveshell.InteractiveShell`.
     
     This is before extensions and startup scripts are loaded, so it can only be

IPython/core/hooks.py

@@ -50,7 +50,7 b" __all__ = ['editor', 'fix_error_editor', 'synchronize_with_editor',"
            'pre_run_code_hook', 'clipboard_get']
 
 deprecated = {'pre_run_code_hook': "a callback for the 'pre_execute' or 'pre_run_cell' event",
-              'late_startup_hook': "a callback for the 'shell_inited' event",
+              'late_startup_hook': "a callback for the 'shell_initialized' event",
               'shutdown_hook': "the atexit module",
              }
 

IPython/core/interactiveshell.py

@@ -512,7 +512,7 b' class InteractiveShell(SingletonConfigurable):'
         self.init_payload()
         self.init_comms()
         self.hooks.late_startup_hook()
-        self.events.trigger('shell_inited', self)
+        self.events.trigger('shell_initialized', self)
         atexit.register(self.atexit_operations)
 
     def get_ipython(self):