Adds the possibility to ignore a service

When running the update script, adds the possibility to ignore a
service present in the pybikes lib.

gyro/configuration.sample.py

@@ -10,4 +10,6 @@
     'db': 0
 }
 
-proxify = ['bcycle']
+proxify = []
+
+ignore = []

update.py

@@ -5,6 +5,7 @@
 
 from gyro import tasks
 from gyro.configuration import redis_server as redis_info
+from gyro.configuration import ignore as ignored_services
 import pybikes
 import keys
 
@@ -23,6 +24,7 @@ def enqueueMultiSystem(queue, task, schema, key, network = None):
     port=redis_info['port'],
     db=redis_info['db']
 )
+
 q = Queue('medium', connection=Redis(connection_pool = pool))
 
 parser = argparse.ArgumentParser(description='Process bike sharing networks')
@@ -46,6 +48,9 @@ def enqueueMultiSystem(queue, task, schema, key, network = None):
     task = tasks.updateSystem
 
 for schema in schemas:
+    if schema['system'] in ignored_services:
+        print "Ignoring %s !!1one" % schema['system']
+        continue
     if hasattr(keys, schema['system']):
         key = eval('keys.%s' % schema['system'])
     else: