message: modified HMI_API.xml to support the changes needed for metadata tagging
diff: <element name="turnText"/>
  </enum>
  +<enum name="TextFieldType">
  + <element name="mediaTitle">
  + <description>The data in this field contains the title of the currently playing audio track.</description>
  + </element>
  + <element name="mediaArtist">
  + <description>The data in this field contains the artist or creator of the currently playing audio track.</description>
  + </element>
  + <element name="mediaAlbum">
  + <description>The data in this field contains the album title of the currently playing audio track.</description>
  + </element>
  + <element name="mediaYear">
  + <description>The data in this field contains the creation year of the currently playing audio track.</description>
  + </element>
  + <element name="mediaGenre">
  + <description>The data in this field contains the genre of the currently playing audio track.</description>
  + </element>
  + <element name="mediaStation">
  + <description>The data in this field contains the name of the current source for the media.</description>
  + </element>
  + <element name="rating">
  + <description>The data in this field is a rating.</description>
  + </element>
  + <element name="currentTemperature">
  + <description>The data in this field is the current temperature.</description>
  + </element>
  + <element name="maximumTemperature">
  + <description>The data in this field is the maximum temperature for the day.</description>
  + </element>
  + <element name="minimumTemperature">
  + <description>The data in this field is the minimum temperature for the day.</description>
  + </element>
  + <element name="weatherTerm">
  + <description>The data in this field describes the current weather (ex. cloudy, clear, etc.).</description>
  + </element>
  + <element name="humidity">
  + <description>The data in this field describes the current humidity value.</description>
  + </element>
  +</enum>
  +
  <enum name="ImageFieldName">
  <element name="softButtonImage">
  <description>The image field for SoftButton</description>
  <param name="fieldText" type="String" maxlength="500" mandatory="true">
  <description>The text itself.</description>
  </param>
  + <param name="fieldTypes" type="Common.TextFieldType" minsize="0" maxsize="5" array="true" mandatory="false">
  + <description>The type of data contained in the field.</description>
  + </param>
  </struct>
  <struct name="KeyboardProperties">
  