mraa: rename from maa to mraa

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>

tests/mraa_test.cxx

@@ -0,0 +1,12 @@
+#include <mraa.h>
+#include "gtest/gtest.h"
+#include "version.h"
+
+/* Careful, this test will only attempt to check the returned version is valid,
+ * it doesn't try to check the version is a release one.
+ */
+TEST (basic, mraa_get_version) {
+    char bar[64];
+    strcpy(bar, mraa_get_version());
+    ASSERT_STREQ(mraa_get_version(), gVERSION);
+}