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/javaupm_bh1750.i

@@ -0,0 +1,21 @@
+%module javaupm_bh1750
+%include "../upm.i"
+%include "std_string.i"
+
+%{
+    #include "bh1750.hpp"
+%}
+
+%include "bh1750.hpp"
+
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_bh1750");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}