cpp_headers: Renamed C++ headers from .h -> .hpp

To make room for UPM C and C++ sensor code to coexist, all UPM
C++ headers have been renamed from h -> hpp.  This commit contains
updates to documentation, includes, cmake collateral, examples, and
swig interface files.

    * Renamed all cxx/cpp header files which contain the string
    'copyright intel' from .h -> .hpp (if not already hpp).

    * Replaced all references to .h with .hpp in documentation,
    source files, cmake collateral, example code, and swig interface
    files.

    * Replaced cmake variable module_h with module_hpp.

    * Intentionally left upm.h since this file currently does not
    contain code (documentation only).

Signed-off-by: Noel Eck <noel.eck@intel.com>

src/apds9930/apds9930.hpp

@@ -0,0 +1,82 @@
+/*
+ * Author: Lay, Kuan Loon <kuan.loon.lay@intel.com>
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/iio.h>
+
+namespace upm
+{
+/**
+ * @brief APDS9930 Digital Proximity and Ambient Light Sensor library
+ * @defgroup apds9930 libupm-apds9930
+ * @ingroup Avago Technologies iio i2c proximity and ambient light sensor
+ */
+
+/**
+ * @library apds9930
+ * @sensor apds9930
+ * @comname APDS9930 Digital Proximity and Ambient Light Sensor
+ * @type light proximity
+ * @man Avago Technologies
+ * @con iio i2c
+ *
+ * @brief APDS9930 Digital Proximity and Ambient Light Sensor
+ *
+ * This sensor provides digital ambient light sensing (ALS),
+ * IR LED and a complete proximity detection system.
+ *
+ * @snippet apds9930.cxx Interesting
+ */
+
+class APDS9930
+{
+  public:
+    /**
+     * APDS-9930 digital proximity and ambient light sensor constructor
+     *
+     * @param iio device number
+     */
+    APDS9930(int device);
+    /**
+     * APDS9930 destructor
+     */
+    ~APDS9930();
+    /**
+     * Gets the ambient luminance value from the sensor
+     *
+     * @return Ambient Luminance value
+     */
+    int getAmbient();
+    /**
+     * Gets the proximity value from the sensor
+     *
+     * @return Proximity value
+     */
+    int getProximity();
+
+  private:
+    mraa_iio_context m_iio;
+};
+}