Updates to include higher resource limits.

The default limits may affect deamon use in production environment.
Fix introduce higer limit for max. number of processes (threads) 1024 -> 20480
and higher limit for max. opened file descriptors 1024 -> 30720.

Change-Id: I8b11e7f8bbd498fd9572e4f746c27e1d804a066e
Signed-off-by: Miroslav Miklus <mmiklus@cisco.com>