(1) Pass IP, port to waitForKernelACK function.
(2) Do not close socket in waitForKernelACK function. Instead close
it wherever required in the caller.
(3) Create only one global socket for both FE-Client and FE-BE markers.

This reverts commit 8f7f02d2

Added support for the udpsock call once the database is connected, the call is made over the same connection to ensure in order delivery of the marker

(1) always trim leading and trailing spaces before parsing ascii text.
(2) even if IP, port data is incorrect, make sure to send at least a
well formed marker msg to kernel (by adding 0 IP and port), so that the
rest of the msg contains sane values (for example, for number of public
and private inputs).

generate hash in binary rather than hex, in all places