grovewater: Initial implementation

jrvandr: removing unecessary mraa_init()

This module implements support for the Grove Water sensor.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>

src/grovewater/pyupm_grovewater.i

@@ -0,0 +1,9 @@
+%module pyupm_grovewater
+%include "../upm.i"
+
+%feature("autodoc", "3");
+
+%include "grovewater.h"
+%{
+    #include "grovewater.h"
+%}