Add dummy secrets for use in development.

We also reference these secrets from zproject/local_settings.py, keying
off IS_DEPLOYED.

(imported from commit eb83310e219616ed1c6c253f0d6893134bbe3517)

zproject/dev-secrets.conf

@@ -0,0 +1,13 @@
+[secrets]
+secret_key = dummy
+shared_secret = dummy
+rabbitmq_password = s13kr3t
+deployment_role_key = dummy
+mandrill_api_key = dummy
+mailchimp_api_key = dummy-us4
+camo_key = dummy 
+email_password = dummy 
+s3_key = dummy 
+s3_secret_key= dummy
+google_oauth2_client_secret  = dummy
+dev_google_oauth2_client_secret  = dummy 

zproject/local_settings.py

@@ -6,11 +6,6 @@ from base64 import b64decode
 config_file = ConfigParser.RawConfigParser()
 config_file.read("/etc/zulip/zulip.conf")
 
-secrets_file = ConfigParser.RawConfigParser()
-secrets_file.read("/etc/zulip/zulip-secrets.conf")
-
-
-getsecret = lambda x: secrets_file.get('secrets', x)
 # Whether we're running in a production environment. Note that DEPLOYED does
 # **not** mean hosted by us; customer sites are DEPLOYED and ENTERPRISE
 # and as such should not for example assume they are the main Zulip site.
@@ -20,6 +15,14 @@ TESTING_DEPLOYED = DEPLOYED and config_file.get('machine', 'deploy_type') == 'te
 
 ENTERPRISE = DEPLOYED and config_file.get('machine', 'deploy_type') == 'enterprise'
 
+secrets_file = ConfigParser.RawConfigParser()
+if DEPLOYED:
+    secrets_file.read("/etc/zulip/zulip-secrets.conf")
+else:
+    secrets_file.read("zproject/dev-secrets.conf")
+
+getsecret = lambda x: secrets_file.get('secrets', x)
+
 # Make this unique, and don't share it with anybody.
 SECRET_KEY = getsecret("secret_key") if DEPLOYED else "foobar"