CMakeLists.txt: install headers in include/maa

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
maa.i: add typemap for unsigned char* to char*

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
maa: update to 0.3.0

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>