Merge commit '203ec9fa6eab21621969f36053d4cd59c23977a9' * commit '203ec9fa6eab21621969f36053d4cd59c23977a9': Interface support for custom HTTP headers in DL manager
Merge commit '203ec9fa6eab21621969f36053d4cd59c23977a9' * commit '203ec9fa6eab21621969f36053d4cd59c23977a9': Interface support for custom HTTP headers in DL manager