forcedotcom/SalesforceMobileSDK-iOS — pull request #500 by khawkins (2014-01-28 20:19:55+00:00)
Title: Add custom headers property and methods to SFRestRequest

Since `SFRestRequest.networkOperation` will not be set until the request is being sent, there was no good way to set custom HTTP headers on a REST request. This should fix that up.