bh1750: Initial implementation

This driver was developed with the DFRobot Light Sensor based on the
BH1750.  It has a sensitivity of .5 to 65535 Lux.  It supports
voltages from 3-5vdc and is connected via I2C.

Signed-off-by: Jon Trulson <jtrulson@ics.com>

src/bh1750/pyupm_bh1750.i

@@ -0,0 +1,13 @@
+// Include doxygen-generated documentation
+%include "pyupm_doxy2swig.i"
+%module pyupm_bh1750
+%include "../upm.i"
+%include "std_string.i"
+
+%feature("autodoc", "3");
+
+%{
+    #include "bh1750.hpp"
+%}
+%include "bh1750.hpp"
+