Add retransmit_timer and count to struct starter_conn
Add retransmit_timer and count to stroke_msg_t
Added socket configuration for UDP checksum and dscp (dscp to be removed later)
Changes to add new keywords
Commiting SMP changes from Neeraj
Fix compilation
Revert "Changes to add new keywords"

This reverts commit 0465d717b7f3b1f950f55203e8e2bbe4446aa6fb.