message: Update HMI API interface versions
diff: <interfaces name="SmartDeviceLink HMI API">
  -<interface name="Common" version="1.6.0" date="2017-04-27">
  +<interface name="Common" version="1.7.0" date="2017-10-20">
  <enum name="Result">
  <element name="SUCCESS" value="0"/>
  </interface>
  -<interface name="Buttons" version="1.2.0" date="2017-04-27">
  +<interface name="Buttons" version="1.3.0" date="2017-07-18">
  <function name="GetCapabilities" messagetype="request">
  <description>Method is invoked at system start-up. SDL requests the information about all supported hardware buttons and their capabilities</description>
  </function>
  </function>
  </interface>
  -<interface name="BasicCommunication" version="1.2.0" date="2017-04-27">
  +<interface name="BasicCommunication" version="1.2.1" date="2017-08-02">
  <function name="OnReady" messagetype="notification">
  <description>HMI must notify SDL about its readiness to start communication. In fact, this has to be the first message between SDL and HMI.</description>
  </function>
  </function>
  </interface>
  -<interface name="UI" version="1.1.0" date="2017-04-27">
  +<interface name="UI" version="1.2.0" date="2017-09-05">
  <function name="Alert" messagetype="request">
  <description>Request from SDL to show an alert message on the display.</description>
  <param name="alertStrings" type="Common.TextFieldStruct" mandatory="true" array="true" minsize="0" maxsize="3">
  </function>
  </interface>
  -<interface name="Navigation" version="1.4.0" date="2017-04-27">
  +<interface name="Navigation" version="1.5.0" date="2017-08-15">
  <function name="IsReady" messagetype="request">
  <description>Method is invoked at system startup. Response must provide the information about presence of UI Navigation module and its readiness to cooperate with SDL.</description>
  </function>
  </interface>
  -<interface name="RC" version="1.1" date="2017-07-18">
  +<interface name="RC" version="1.1.0" date="2017-07-18">
  <function name="IsReady" messagetype="request">
  <description>Method is invoked at system startup. Response should provide information about presence of any of remote controllable module and its readiness to cooperate with SDL.</description>
  </function>
  