intel_edison_fab_c.c: add more robust error handling

Fixes #55

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_de3815.c: check malloc return values

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_minnow_max.c: check malloc return values

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_galileo_rev_d.c: prefix syslog calls

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_galileo_rev_d.c: check malloc return values

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_galileo_rev_g.c: add more robust error handling

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_minnow_max.c: fix unsafe strncpy not NULL terminating

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
intel_edison_fab_c.c: fix typo in function name

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