1. Allocating aligned memory for rdma data operations
2. Changing printout to support large buffers

Change-Id: Ia932aa3c27335b533250272e24be98b6e25f01ca
Signed-off-by: Eyal Salomon <esalomon@mellanox.com>

Conflicts:
	tests/usr/hello_test_ow/xio_ow_server.c