RemoteReader does not encode spaces in URL path before submission

[lilith]

Not sure if this is correct or not. More tests are needed to examine URL encoding behavior in RemoteReader and in the pipeline in general.

[lilith]

Signed syntax.
Example: http://demandware.edgesuite.net/sits_pod26/dw/image/v2/AAFV_PRD/on/demandware.static/-/Sites-Teavana_Master_Catalog/default/dwf1653b1f/images/Product%20Images/Merch/011064391_14ozremimugsspnk_a.jpg