Merge branch 'smio-acq-devel' into proposed-master

Conflicts:
	examples/Makefile
	init.sh
	libclient/Makefile
	libclient/bpm_client.c
	libclient/bpm_client.h
Makefile: remove the necessity to be sudo

As we need the driver in place, we used to have
a necessity to issue the make command with super
privileges. Now, if the driver is not found a
warning is issued, but the compilation continues
README.md: update the compilation instruction
examples/*: fix default bind address

The default bind address is "/tmp/bpm" and not
"/tmp/bpm/0"
hal/*/*/acq/sm_io_acq_exp.c: use return of block_read function