Move current user views and add user events

Move the current user detail and edit views from the common app
to the user_management app. Add the user created and edited events.
Add an user detail view.

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/common/utils.py

@@ -68,13 +68,6 @@ def encapsulate(function):
     return lambda: function
 
 
-def get_user_label_text(context):
-    if not context['request'].user.is_authenticated:
-        return _('Anonymous')
-    else:
-        return context['request'].user.get_full_name() or context['request'].user
-
-
 def fs_cleanup(filename, file_descriptor=None, suppress_exceptions=True):
     """
     Tries to remove the given filename. Ignores non-existent files