Replaced spaces with dashes in resource_id generation

Fixed track preview and download signed urls
Removed cloud_storage_deleter.py file
Changed cloud_storage settings in airtime.conf

python_apps/pypo/cloud_storage_deleter.py

@@ -1,28 +0,0 @@
-#!/usr/bin/python
-
-import sys
-import simplejson
-
-from libcloud.storage.providers import get_driver
-from libcloud.storage.types import Provider, ObjectDoesNotExistError
-
-provider = str(sys.argv[1])
-bucket = str(sys.argv[2])
-api_key = str(sys.argv[3])
-api_key_secret = str(sys.argv[4])
-obj_name = str(sys.argv[5])
-
-cls = get_driver(getattr(Provider, provider))
-driver = cls(api_key, api_key_secret)
-
-try:
-    cloud_obj = driver.get_object(container_name=bucket,
-                                  object_name=obj_name)
-    filesize = getattr(cloud_obj, 'size')
-    driver.delete_object(obj=cloud_obj)
-    
-    data = simplejson.dumps({"filesize": filesize})
-    print data
-except ObjectDoesNotExistError:
-    raise Exception("Could not find object on %s in bucket: %s and object: %s" % (provider, bucket, obj_name))
-