more cleanup of default project settings templates and added a notice as suggested by Mark Ellul

--HG--
extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%401062

scrapy/trunk/scrapy/templates/project/module/settings.py.tmpl

@@ -1,4 +1,14 @@
 # Scrapy settings for $project_name project
+#
+# For simplicity, this file contains only the most important settings by
+# default. All the other settings are documented here
+#
+#     http://doc.scrapy.org/ref/settings.html
+#
+# Or you can copy and paste them from where they're defined in Scrapy:
+# 
+#     scrapy/conf/default_settings.py
+#
 
 import $project_name
 
@@ -13,10 +23,3 @@ TEMPLATES_DIR = '%s/templates' % $project_name.__path__[0]
 DEFAULT_ITEM_CLASS = '$project_name.item.${ProjectName}Item'
 USER_AGENT = '%s/%s' % (BOT_NAME, BOT_VERSION)
 
-# uncomment if you want to add your own custom scrapy commands
-#COMMANDS_MODULE = '$project_name.commands'
-#COMMANDS_SETTINGS_MODULE = '$project_name.conf.commands'
-
-# global mail sending settings
-#MAIL_HOST = 'localhost'
-#MAIL_FROM = 'scrapybot@localhost'