Bump version to 1.3.6.3-3
Ticket 49186 - Fix NS to improve shutdown relability
Ticket 49174 - nunc-stans can not use negative timeout
Ticket 49076 - To debug DB_DEADLOCK condition, allow to reset DB_TXN_NOWAIT flag on txn_begin
Issue 49188 - retrocl can crash server at shutdown
Ticket 47840 - Add setup_ds test suite